a. For the equation a x 2 + b x + c = 0 ( a ≠ 0 ) , the formula gives the solutions as x = _______________. b. To apply the quadratic formula, a quadratic equation must be written in the form where ______________ a ≠ 0 . c. To apply the quadratic formula to solve the equation 8 x 2 − 42 x − 27 = 0 , the value of a is _____________, the value of b is _____________, and the value of c is __________. d. To apply the quadratic formula to solve the equation 3 x 2 − 7 x − 4 = 0 , the value of −-b is _____________ and the value of the radicand is _______________. e. The radicand within the quadratic formula is _________ and is called the ___________. f. If the discriminant is negative, then the solutions to a quadratic equation will be (real/imaginary) numbers. g. If the discriminant is positive, then the solutions to a quadratic equation will be (real/imaginary) numbers. h. Given a quadratic function f ( x ) = a x 2 + b x + c = 0 , the function will have no x -intercepts if the discriminant is (less than, greater than, equal to) zero.
a. For the equation a x 2 + b x + c = 0 ( a ≠ 0 ) , the formula gives the solutions as x = _______________. b. To apply the quadratic formula, a quadratic equation must be written in the form where ______________ a ≠ 0 . c. To apply the quadratic formula to solve the equation 8 x 2 − 42 x − 27 = 0 , the value of a is _____________, the value of b is _____________, and the value of c is __________. d. To apply the quadratic formula to solve the equation 3 x 2 − 7 x − 4 = 0 , the value of −-b is _____________ and the value of the radicand is _______________. e. The radicand within the quadratic formula is _________ and is called the ___________. f. If the discriminant is negative, then the solutions to a quadratic equation will be (real/imaginary) numbers. g. If the discriminant is positive, then the solutions to a quadratic equation will be (real/imaginary) numbers. h. Given a quadratic function f ( x ) = a x 2 + b x + c = 0 , the function will have no x -intercepts if the discriminant is (less than, greater than, equal to) zero.
Solution Summary: The author explains the quadratic formula for the equation ax2+bx+c=0.
a. For the equation
a
x
2
+
b
x
+
c
=
0
(
a
≠
0
)
, the formula gives the solutions as
x
=
_______________.
b. To apply the quadratic formula, a quadratic equation must be written in the form where ______________
a
≠
0
.
c. To apply the quadratic formula to solve the equation
8
x
2
−
42
x
−
27
=
0
, the value of a is _____________, the value of b is _____________, and the value of c is __________.
d. To apply the quadratic formula to solve the equation
3
x
2
−
7
x
−
4
=
0
, the value of −-b is _____________ and the value of the radicand is _______________.
e. The radicand within the quadratic formula is _________ and is called the ___________.
f. If the discriminant is negative, then the solutions to a quadratic equation will be (real/imaginary) numbers.
g. If the discriminant is positive, then the solutions to a quadratic equation will be (real/imaginary) numbers.
h. Given a quadratic function
f
(
x
)
=
a
x
2
+
b
x
+
c
=
0
, the function will have no x-intercepts if the discriminant is (less than, greater than, equal to) zero.
Formula Formula A polynomial with degree 2 is called a quadratic polynomial. A quadratic equation can be simplified to the standard form: ax² + bx + c = 0 Where, a ≠ 0. A, b, c are coefficients. c is also called "constant". 'x' is the unknown quantity
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Things Quadratics! Part 1 X
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The table below shows the acreage, number of visitors, and total revenue of state parks and recreational areas in Massachusetts, New York, and Vermont in 2010.
State Acreage (in thousands) Visitors (in thousands) Revenue (in thousands)
Massachusetts 350 35,271 $12,644
New York 1,354 56,322 $85,558
Vermont 69 758 $10,969
Select the three true statements based on the data in the table.
A.
Vermont had the highest revenue per acre of state parks and recreational areas.
B.
Vermont had approximately 11 visitors per acre of state parks and recreational areas.
C.
New York had the highest number of visitors per acre of state parks and recreational areas.
D.
Massachusetts had approximately 36 visitors per acre of state parks and recreational areas.
E.
New York had revenue of approximately $63.19 per acre of state parks and recreational areas.
F.
Massachusetts had revenue of approximately $0.03 per acre of state parks and recreational areas.
a) show that the empty set and sigletonset
are convex set.
6) show that every sub space of linear space X
is convex but the convers heed not be true.
c) let Mand N be two convex set of
a linear Space X and KEF
Show that MUN is conevex and
(ii)
M-N is convex or hot
A
and is MSN or NSM show that
MUN convex or not,
385
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