Intermediate Algebra
10th Edition
ISBN: 9781285195728
Author: Jerome E. Kaufmann, Karen L. Schwitters
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 8.3, Problem 6CQ
To determine
To check:
The given statement is true or false.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
How long is a guy wire reaching from the top of a
15-foot pole to a point on the ground
9-feet from the pole?
Question content area bottom
Part 1
The guy wire is exactly
feet long.
(Type an exact answer, using radicals as needed.)
Part 2
The guy wire is approximatelyfeet long.
(Round to the nearest thousandth.)
Question 6
Not yet
answered
Marked out of
5.00
Flag question
=
If (4,6,-11) and (-12,-16,4),
=
Compute the cross product vx w
k
Consider the following vector field v^-> (x,y):
v^->(x,y)=2yi−xj
What is the magnitude of the vector v⃗ located in point (13,9)?
[Provide your answer as an integer number (no fraction). For a decimal number, round your answer to 2 decimal places]
Chapter 8 Solutions
Intermediate Algebra
Ch. 8.1 - For Problems 110, answer true or false. The graph...Ch. 8.1 - Prob. 2CQCh. 8.1 - Prob. 3CQCh. 8.1 - Prob. 4CQCh. 8.1 - Prob. 5CQCh. 8.1 - Prob. 6CQCh. 8.1 - Prob. 7CQCh. 8.1 - Prob. 8CQCh. 8.1 - Prob. 9CQCh. 8.1 - Prob. 10CQ
Ch. 8.1 - Prob. 1PSCh. 8.1 - Prob. 2PSCh. 8.1 - Prob. 3PSCh. 8.1 - Prob. 4PSCh. 8.1 - Prob. 5PSCh. 8.1 - Prob. 6PSCh. 8.1 - Prob. 7PSCh. 8.1 - Prob. 8PSCh. 8.1 - Prob. 9PSCh. 8.1 - Prob. 10PSCh. 8.1 - Prob. 11PSCh. 8.1 - Prob. 12PSCh. 8.1 - Prob. 13PSCh. 8.1 - Prob. 14PSCh. 8.1 - Prob. 15PSCh. 8.1 - Prob. 16PSCh. 8.1 - Prob. 17PSCh. 8.1 - Prob. 18PSCh. 8.1 - Prob. 19PSCh. 8.1 - Prob. 20PSCh. 8.1 - Prob. 21PSCh. 8.1 - Prob. 22PSCh. 8.1 - Prob. 23PSCh. 8.1 - Prob. 24PSCh. 8.1 - Prob. 25PSCh. 8.1 - Prob. 26PSCh. 8.1 - Prob. 27PSCh. 8.1 - Prob. 28PSCh. 8.1 - Prob. 29PSCh. 8.1 - Prob. 30PSCh. 8.1 - Prob. 31PSCh. 8.1 - Prob. 32PSCh. 8.1 - Prob. 33PSCh. 8.1 - Prob. 34PSCh. 8.1 - Prob. 35PSCh. 8.1 - Prob. 36PSCh. 8.1 - Prob. 37PSCh. 8.1 - Prob. 38PSCh. 8.1 - Prob. 39PSCh. 8.2 - Prob. 1CQCh. 8.2 - Prob. 2CQCh. 8.2 - Prob. 3CQCh. 8.2 - Prob. 4CQCh. 8.2 - Prob. 5CQCh. 8.2 - Prob. 6CQCh. 8.2 - Prob. 7CQCh. 8.2 - Prob. 8CQCh. 8.2 - Prob. 9CQCh. 8.2 - Prob. 10CQCh. 8.2 - Prob. 1PSCh. 8.2 - Prob. 2PSCh. 8.2 - Prob. 3PSCh. 8.2 - Prob. 4PSCh. 8.2 - Prob. 5PSCh. 8.2 - Prob. 6PSCh. 8.2 - Prob. 7PSCh. 8.2 - Prob. 8PSCh. 8.2 - Prob. 9PSCh. 8.2 - Prob. 10PSCh. 8.2 - Prob. 11PSCh. 8.2 - Prob. 12PSCh. 8.2 - Prob. 13PSCh. 8.2 - Prob. 14PSCh. 8.2 - Prob. 15PSCh. 8.2 - Prob. 16PSCh. 8.2 - Prob. 17PSCh. 8.2 - Prob. 18PSCh. 8.2 - Prob. 19PSCh. 8.2 - Prob. 20PSCh. 8.2 - Prob. 21PSCh. 8.2 - Prob. 22PSCh. 8.2 - Prob. 23PSCh. 8.2 - Prob. 24PSCh. 8.2 - Prob. 25PSCh. 8.2 - Prob. 26PSCh. 8.2 - Prob. 27PSCh. 8.2 - Prob. 28PSCh. 8.2 - Prob. 29PSCh. 8.2 - Prob. 30PSCh. 8.2 - Prob. 31PSCh. 8.2 - Prob. 32PSCh. 8.2 - Prob. 33PSCh. 8.2 - Prob. 34PSCh. 8.2 - Prob. 35PSCh. 8.2 - Prob. 36PSCh. 8.2 - Prob. 37PSCh. 8.2 - Prob. 38PSCh. 8.2 - Prob. 39PSCh. 8.2 - Prob. 40PSCh. 8.2 - Prob. 41PSCh. 8.2 - Prob. 42PSCh. 8.2 - Prob. 43PSCh. 8.2 - Prob. 44PSCh. 8.2 - Prob. 45PSCh. 8.2 - Prob. 46PSCh. 8.2 - Prob. 47PSCh. 8.2 - Prob. 48PSCh. 8.2 - Prob. 49PSCh. 8.2 - Prob. 50PSCh. 8.2 - Prob. 51PSCh. 8.2 - Prob. 52PSCh. 8.2 - Prob. 53PSCh. 8.2 - Prob. 54PSCh. 8.2 - Prob. 55PSCh. 8.2 - Prob. 56PSCh. 8.2 - Prob. 57PSCh. 8.2 - Prob. 58PSCh. 8.2 - Prob. 59PSCh. 8.2 - Prob. 60PSCh. 8.2 - Prob. 61PSCh. 8.2 - Prob. 62PSCh. 8.2 - Prob. 63.1PSCh. 8.2 - By expanding (xh)2+(yk)2=r2, we obtain...Ch. 8.2 - Prob. 63.3PSCh. 8.2 - Prob. 63.4PSCh. 8.2 - Prob. 63.5PSCh. 8.2 - Prob. 63.6PSCh. 8.2 - Prob. 64PSCh. 8.2 - Prob. 65PSCh. 8.2 - Prob. 66.1PSCh. 8.2 - Prob. 66.2PSCh. 8.2 - Prob. 66.3PSCh. 8.2 - Prob. 66.4PSCh. 8.2 - Prob. 66.5PSCh. 8.2 - Prob. 66.6PSCh. 8.3 - Prob. 1CQCh. 8.3 - Prob. 2CQCh. 8.3 - Prob. 3CQCh. 8.3 - Prob. 4CQCh. 8.3 - Prob. 5CQCh. 8.3 - Prob. 6CQCh. 8.3 - Prob. 7CQCh. 8.3 - Prob. 8CQCh. 8.3 - Prob. 9CQCh. 8.3 - Prob. 10CQCh. 8.3 - Prob. 1PSCh. 8.3 - Prob. 2PSCh. 8.3 - Prob. 3PSCh. 8.3 - Prob. 4PSCh. 8.3 - Prob. 5PSCh. 8.3 - Prob. 6PSCh. 8.3 - Prob. 7PSCh. 8.3 - Prob. 8PSCh. 8.3 - Prob. 9PSCh. 8.3 - Prob. 10PSCh. 8.3 - Prob. 11PSCh. 8.3 - Prob. 12PSCh. 8.3 - Prob. 13PSCh. 8.3 - Prob. 14PSCh. 8.3 - Prob. 15PSCh. 8.3 - Prob. 16PSCh. 8.3 - Prob. 17PSCh. 8.3 - Prob. 18PSCh. 8.3 - Prob. 19PSCh. 8.3 - Prob. 20PSCh. 8.3 - Prob. 21PSCh. 8.3 - Prob. 22PSCh. 8.3 - Prob. 23PSCh. 8.3 - Prob. 24PSCh. 8.3 - Prob. 25PSCh. 8.3 - Prob. 26PSCh. 8.3 - Prob. 27PSCh. 8.3 - Prob. 28PSCh. 8.3 - Prob. 29PSCh. 8.3 - Prob. 30PSCh. 8.4 - Prob. 1CQCh. 8.4 - Prob. 2CQCh. 8.4 - Prob. 3CQCh. 8.4 - Prob. 4CQCh. 8.4 - Prob. 5CQCh. 8.4 - Prob. 6CQCh. 8.4 - Prob. 7CQCh. 8.4 - Prob. 8CQCh. 8.4 - Prob. 9CQCh. 8.4 - Prob. 10CQCh. 8.4 - Prob. 1PSCh. 8.4 - Prob. 2PSCh. 8.4 - Prob. 3PSCh. 8.4 - Prob. 4PSCh. 8.4 - Prob. 5PSCh. 8.4 - Prob. 6PSCh. 8.4 - Prob. 7PSCh. 8.4 - Prob. 8PSCh. 8.4 - Prob. 9PSCh. 8.4 - Prob. 10PSCh. 8.4 - Prob. 11PSCh. 8.4 - Prob. 12PSCh. 8.4 - Prob. 13PSCh. 8.4 - Prob. 14PSCh. 8.4 - Prob. 15PSCh. 8.4 - Prob. 16PSCh. 8.4 - Prob. 17PSCh. 8.4 - Prob. 18PSCh. 8.4 - Prob. 19PSCh. 8.4 - Prob. 20PSCh. 8.4 - Prob. 21PSCh. 8.4 - Prob. 22PSCh. 8.4 - Prob. 23PSCh. 8.4 - Prob. 24PSCh. 8.4 - Prob. 25PSCh. 8.4 - Prob. 26PSCh. 8.4 - Prob. 27PSCh. 8.4 - Prob. 28PSCh. 8.4 - Prob. 29PSCh. 8.4 - Prob. 30PSCh. 8.4 - Prob. 31PSCh. 8.4 - Prob. 32PSCh. 8.4 - Prob. 33PSCh. 8.4 - Prob. 34PSCh. 8.4 - Prob. 35PSCh. 8.4 - Prob. 36PSCh. 8.4 - Prob. 37PSCh. 8.4 - Prob. 38PSCh. 8.4 - Prob. 39PSCh. 8.4 - Prob. 40.1PSCh. 8.4 - Prob. 40.2PSCh. 8.4 - Prob. 40.3PSCh. 8.4 - Prob. 40.4PSCh. 8.4 - Prob. 40.5PSCh. 8.4 - Prob. 40.6PSCh. 8.4 - Prob. 41.1PSCh. 8.4 - Prob. 41.2PSCh. 8.4 - Prob. 41.3PSCh. 8.4 - Prob. 41.4PSCh. 8.4 - Prob. 41.5PSCh. 8.4 - Prob. 41.6PSCh. 8.4 - Prob. 41.7PSCh. 8.4 - Prob. 41.8PSCh. 8.4 - Prob. 41.9PSCh. 8.4 - Prob. 41.10PSCh. 8.4 - Prob. 42PSCh. 8.S - Prob. 1SCh. 8.S - Prob. 2SCh. 8.S - Prob. 3SCh. 8.S - Prob. 4SCh. 8.S - Prob. 5SCh. 8.S - Prob. 6SCh. 8.S - Prob. 7SCh. 8.S - Prob. 8SCh. 8.CR - Prob. 1CRCh. 8.CR - Prob. 2CRCh. 8.CR - Prob. 3CRCh. 8.CR - Prob. 4CRCh. 8.CR - Prob. 5CRCh. 8.CR - Prob. 6CRCh. 8.CR - Prob. 7CRCh. 8.CR - Prob. 8CRCh. 8.CR - Prob. 9CRCh. 8.CR - Prob. 10CRCh. 8.CR - Prob. 11CRCh. 8.CR - Prob. 12CRCh. 8.CR - Prob. 13CRCh. 8.CR - Prob. 14CRCh. 8.CR - Prob. 15CRCh. 8.CR - Prob. 16CRCh. 8.CR - Prob. 17CRCh. 8.CR - Prob. 18CRCh. 8.CR - Prob. 19CRCh. 8.CR - Prob. 20CRCh. 8.CR - Prob. 21CRCh. 8.CR - Prob. 22CRCh. 8.CR - Prob. 23CRCh. 8.CR - Prob. 24CRCh. 8.CR - Prob. 25CRCh. 8.CR - Prob. 26CRCh. 8.CR - Prob. 27CRCh. 8.CR - Prob. 28CRCh. 8.CR - Prob. 29CRCh. 8.CR - Prob. 30CRCh. 8.CR - Prob. 31CRCh. 8.CR - Prob. 32CRCh. 8.CR - Prob. 33CRCh. 8.CR - For Problems 3150, graph each equation....Ch. 8.CR - Prob. 35CRCh. 8.CR - Prob. 36CRCh. 8.CR - Prob. 37CRCh. 8.CR - Prob. 38CRCh. 8.CR - Prob. 39CRCh. 8.CR - Prob. 40CRCh. 8.CR - Prob. 41CRCh. 8.CR - Prob. 42CRCh. 8.CR - Prob. 43CRCh. 8.CR - Prob. 44CRCh. 8.CR - Prob. 45CRCh. 8.CR - Prob. 46CRCh. 8.CR - Prob. 47CRCh. 8.CR - Prob. 48CRCh. 8.CR - Prob. 49CRCh. 8.CR - Prob. 50CRCh. 8.CT - Prob. 1CTCh. 8.CT - Prob. 2CTCh. 8.CT - Prob. 3CTCh. 8.CT - Prob. 4CTCh. 8.CT - Prob. 5CTCh. 8.CT - Prob. 6CTCh. 8.CT - Prob. 7CTCh. 8.CT - Prob. 12CTCh. 8.CT - Prob. 13CTCh. 8.CT - Prob. 14CTCh. 8.CT - Prob. 15CTCh. 8.CT - Prob. 16CTCh. 8.CT - Prob. 17CTCh. 8.CT - Prob. 18CTCh. 8.CT - Prob. 19CTCh. 8.CT - Prob. 20CTCh. 8.CT - Prob. 21CTCh. 8.CT - Prob. 22CTCh. 8.CT - Prob. 23CTCh. 8.CT - Prob. 24CTCh. 8.CT - Prob. 25CTCh. 8.CM - Prob. 1CMCh. 8.CM - Prob. 2CMCh. 8.CM - Prob. 3CMCh. 8.CM - Prob. 4CMCh. 8.CM - Prob. 5CMCh. 8.CM - Prob. 6CMCh. 8.CM - Prob. 7CMCh. 8.CM - Prob. 8CMCh. 8.CM - Prob. 9CMCh. 8.CM - Prob. 10CMCh. 8.CM - Prob. 11CMCh. 8.CM - Prob. 12CMCh. 8.CM - Prob. 13CMCh. 8.CM - Prob. 14CMCh. 8.CM - Prob. 15CMCh. 8.CM - Prob. 16CMCh. 8.CM - Prob. 17CMCh. 8.CM - Prob. 18CMCh. 8.CM - Prob. 19CMCh. 8.CM - Prob. 20CMCh. 8.CM - Prob. 21CMCh. 8.CM - Prob. 22CMCh. 8.CM - Prob. 23CMCh. 8.CM - Prob. 24CMCh. 8.CM - Prob. 25CMCh. 8.CM - Prob. 26CMCh. 8.CM - Prob. 27CMCh. 8.CM - Prob. 28CMCh. 8.CM - Prob. 29CMCh. 8.CM - Prob. 30CMCh. 8.CM - Prob. 31CMCh. 8.CM - Prob. 32CMCh. 8.CM - Prob. 33CMCh. 8.CM - Prob. 34CMCh. 8.CM - Prob. 35CMCh. 8.CM - Prob. 36CMCh. 8.CM - Prob. 37CMCh. 8.CM - Prob. 38CMCh. 8.CM - Prob. 39CMCh. 8.CM - Prob. 40CMCh. 8.CM - Prob. 41CMCh. 8.CM - Prob. 42CMCh. 8.CM - Prob. 43CMCh. 8.CM - Prob. 44CMCh. 8.CM - Prob. 45CMCh. 8.CM - Prob. 46CMCh. 8.CM - Prob. 47CMCh. 8.CM - Prob. 48CMCh. 8.CM - Prob. 49CMCh. 8.CM - Prob. 50CMCh. 8.CM - Prob. 51CMCh. 8.CM - Prob. 52CMCh. 8.CM - Prob. 53CMCh. 8.CM - Prob. 54CMCh. 8.CM - Prob. 55CMCh. 8.CM - Prob. 56CMCh. 8.CM - For Problems 5564, solve inequality and express...Ch. 8.CM - Prob. 58CMCh. 8.CM - Prob. 59CMCh. 8.CM - Prob. 60CMCh. 8.CM - Prob. 61CMCh. 8.CM - Prob. 62CMCh. 8.CM - Prob. 63CMCh. 8.CM - Prob. 64CMCh. 8.CM - Prob. 65CMCh. 8.CM - For Problems 65-70, graph the following equations....Ch. 8.CM - Prob. 67CMCh. 8.CM - Prob. 68CMCh. 8.CM - Prob. 69CMCh. 8.CM - Prob. 70CMCh. 8.CM - Prob. 71CMCh. 8.CM - Prob. 72CMCh. 8.CM - Prob. 73CMCh. 8.CM - Prob. 74CMCh. 8.CM - Prob. 75CMCh. 8.CM - Prob. 76CMCh. 8.CM - Prob. 77CMCh. 8.CM - Prob. 78CMCh. 8.CM - Prob. 79CMCh. 8.CM - Prob. 80CMCh. 8.CM - Prob. 81CMCh. 8.CM - Prob. 82CMCh. 8.CM - Prob. 83CMCh. 8.CM - Prob. 84CMCh. 8.CM - Prob. 85CMCh. 8.CM - Prob. 86CMCh. 8.CM - Prob. 87CMCh. 8.CM - Prob. 88CM
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Similar questions
- Question 4 Find the value of the first element for the first row of the inverse matrix of matrix B. 3 Not yet answered B = Marked out of 5.00 · (³ ;) Flag question 7 [Provide your answer as an integer number (no fraction). For a decimal number, round your answer to 2 decimal places] Answer:arrow_forwardQuestion 2 Not yet answered Multiply the following Matrices together: [77-4 A = 36 Marked out of -5 -5 5.00 B = 3 5 Flag question -6 -7 ABarrow_forwardAssume {u1, U2, u3, u4} does not span R³. Select the best statement. A. {u1, U2, u3} spans R³ if u̸4 is a linear combination of other vectors in the set. B. We do not have sufficient information to determine whether {u₁, u2, u3} spans R³. C. {U1, U2, u3} spans R³ if u̸4 is a scalar multiple of another vector in the set. D. {u1, U2, u3} cannot span R³. E. {U1, U2, u3} spans R³ if u̸4 is the zero vector. F. none of the abovearrow_forward
- Select the best statement. A. If a set of vectors includes the zero vector 0, then the set of vectors can span R^ as long as the other vectors are distinct. n B. If a set of vectors includes the zero vector 0, then the set of vectors spans R precisely when the set with 0 excluded spans Rª. ○ C. If a set of vectors includes the zero vector 0, then the set of vectors can span Rn as long as it contains n vectors. ○ D. If a set of vectors includes the zero vector 0, then there is no reasonable way to determine if the set of vectors spans Rn. E. If a set of vectors includes the zero vector 0, then the set of vectors cannot span Rn. F. none of the abovearrow_forwardWhich of the following sets of vectors are linearly independent? (Check the boxes for linearly independent sets.) ☐ A. { 7 4 3 13 -9 8 -17 7 ☐ B. 0 -8 3 ☐ C. 0 ☐ D. -5 ☐ E. 3 ☐ F. 4 THarrow_forward3 and = 5 3 ---8--8--8 Let = 3 U2 = 1 Select all of the vectors that are in the span of {u₁, u2, u3}. (Check every statement that is correct.) 3 ☐ A. The vector 3 is in the span. -1 3 ☐ B. The vector -5 75°1 is in the span. ГОЛ ☐ C. The vector 0 is in the span. 3 -4 is in the span. OD. The vector 0 3 ☐ E. All vectors in R³ are in the span. 3 F. The vector 9 -4 5 3 is in the span. 0 ☐ G. We cannot tell which vectors are i the span.arrow_forward
- (20 p) 1. Find a particular solution satisfying the given initial conditions for the third-order homogeneous linear equation given below. (See Section 5.2 in your textbook if you need a review of the subject.) y(3)+2y"-y-2y = 0; y(0) = 1, y'(0) = 2, y"(0) = 0; y₁ = e*, y2 = e¯x, y3 = e−2x (20 p) 2. Find a particular solution satisfying the given initial conditions for the second-order nonhomogeneous linear equation given below. (See Section 5.2 in your textbook if you need a review of the subject.) y"-2y-3y = 6; y(0) = 3, y'(0) = 11 yc = c₁ex + c2e³x; yp = −2 (60 p) 3. Find the general, and if possible, particular solutions of the linear systems of differential equations given below using the eigenvalue-eigenvector method. (See Section 7.3 in your textbook if you need a review of the subject.) = a) x 4x1 + x2, x2 = 6x1-x2 b) x=6x17x2, x2 = x1-2x2 c) x = 9x1+5x2, x2 = −6x1-2x2; x1(0) = 1, x2(0)=0arrow_forwardFind the perimeter and areaarrow_forwardAssume {u1, U2, us} spans R³. Select the best statement. A. {U1, U2, us, u4} spans R³ unless u is the zero vector. B. {U1, U2, us, u4} always spans R³. C. {U1, U2, us, u4} spans R³ unless u is a scalar multiple of another vector in the set. D. We do not have sufficient information to determine if {u₁, u2, 43, 114} spans R³. OE. {U1, U2, 3, 4} never spans R³. F. none of the abovearrow_forward
- Assume {u1, U2, 13, 14} spans R³. Select the best statement. A. {U1, U2, u3} never spans R³ since it is a proper subset of a spanning set. B. {U1, U2, u3} spans R³ unless one of the vectors is the zero vector. C. {u1, U2, us} spans R³ unless one of the vectors is a scalar multiple of another vector in the set. D. {U1, U2, us} always spans R³. E. {U1, U2, u3} may, but does not have to, span R³. F. none of the abovearrow_forwardLet H = span {u, v}. For each of the following sets of vectors determine whether H is a line or a plane. Select an Answer u = 3 1. -10 8-8 -2 ,v= 5 Select an Answer -2 u = 3 4 2. + 9 ,v= 6arrow_forwardSolve for the matrix X: X (2 7³) x + ( 2 ) - (112) 6 14 8arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice University
Trigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning
Intermediate AlgebraAlgebraISBN:9781285195728Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning
Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
Elementary Algebra
Algebra
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:OpenStax - Rice University
Trigonometry (MindTap Course List)
Trigonometry
ISBN:9781337278461
Author:Ron Larson
Publisher:Cengage Learning
Intermediate Algebra
Algebra
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:9781133382119
Author:Swokowski
Publisher:Cengage
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
What is Ellipse?; Author: Don't Memorise;https://www.youtube.com/watch?v=nzwCInIMlU4;License: Standard YouTube License, CC-BY