Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:6. For the function in vertex form, f(x) = 2(x + 3)² – 5, change to the equivalent standard
form by expanding and simplifying.
1. For the function in standard form, f(x) = 3x² + 6x – 4, state the:
у-intercept:
direction of opening:
2. For the function in standard form, change to the equivalent factored form:
f (x) = x² + 9x + 18
f(x) = (.
)(
3. For the function in factored form, f(x) = (x – 3)(x + 7), change to the equivalent
standard form:
7. Solve the quadratic equation by factoring:
f(x) =.
P =
x2 + 5x – 36 = 0
S =
4. For the function in vertex form, f(x) = 6(x – 4)2 + 8, state the:
Direction of Opening:
Vertex:
5. State the roots of the quadratic equations using the graphs of the corresponding quadratic
functions shown:
8. Solve the quadratic equation 2x² – 4x – 3 = 0 using the quadratic formula. State the
solution(s) as:
a)
b)
-b± V6² – 4ac
a) Exact values
S(x)-- -2x +3
2a
b) Approximate values (to two decimal places)
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