1. What is the standard form of the equation 4x(x- 5) = 5? OA. 4x2 +12x + 5 = 0 OB. 4x2 - 12x + 5 = 0 OC. 4x2 + 12x - 5 = 0 OD. 4x2 - 12x - 5 = 0 2. What is the value of a, b and c in the equation (x- 2)² + 4 = 0? QA. a = 1, b = -2, c= 4 OB. a = 1, b = -4, c = 8 OC. a = 1, b = 2, c = 4 OD. a = 1, b = 4, c = -8 3. Which of the following equations represents a quadratic function? QA. y = 3 + 2x² OB. y = 2y2)2 + 3 OC. y = 3x- 22 OD. y = 2* -3 %3D

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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1. What is the standard form of the equation 4x(x-5)% 3 5?
OA. 4x2 +12x +5 = 0
OB. 4x2 - 12x + 5 = 0
OC. 4x2 + 12x- 5 0
OD. 4x2 - 12x- 5 = 0
12x +5 = 0
2. What is the value of a, b and c in the equation (x- 2)2 +4 = 0?
OA. a = 1, b = -2, c = 4
OB. a = 1, b = -4, c = 8
OC. a = 1, b = 2, c = 4
OD. a = 1, b = 4, c=-8
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3. Which of the following equations represents a quadratic function?
OA. y = 3 + 2x²
OB. y = 2y2)2 + 3
OC. y = 3x- 2²
OD. y = 2%-3
Transcribed Image Text:1. What is the standard form of the equation 4x(x-5)% 3 5? OA. 4x2 +12x +5 = 0 OB. 4x2 - 12x + 5 = 0 OC. 4x2 + 12x- 5 0 OD. 4x2 - 12x- 5 = 0 12x +5 = 0 2. What is the value of a, b and c in the equation (x- 2)2 +4 = 0? OA. a = 1, b = -2, c = 4 OB. a = 1, b = -4, c = 8 OC. a = 1, b = 2, c = 4 OD. a = 1, b = 4, c=-8 %3D %3D %3D %3D 3. Which of the following equations represents a quadratic function? OA. y = 3 + 2x² OB. y = 2y2)2 + 3 OC. y = 3x- 2² OD. y = 2%-3
4. What is the vertex (h, k) of the function f(x) = x2- 4x-5?
OA. (2, 9)
ОВ. (-2, 9)
Ос. (2, -9)
OD. (-2, -9)
5. Where does the graph of the parabola opens when a <0?
OA. upward
OB. downward
OC. sideward
OD. backward
6. What is the standard form of the function f(x) = 5x (x-6) = 5?
QA. f(x) = 5x2 - 11x-5
OB. f(x) = 5x2-30x + 5
%3D
OC. f(x) = 5x2 - 11x +5
OD. f(x) = 5x2 - 30x-5
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PARD
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Transcribed Image Text:4. What is the vertex (h, k) of the function f(x) = x2- 4x-5? OA. (2, 9) ОВ. (-2, 9) Ос. (2, -9) OD. (-2, -9) 5. Where does the graph of the parabola opens when a <0? OA. upward OB. downward OC. sideward OD. backward 6. What is the standard form of the function f(x) = 5x (x-6) = 5? QA. f(x) = 5x2 - 11x-5 OB. f(x) = 5x2-30x + 5 %3D OC. f(x) = 5x2 - 11x +5 OD. f(x) = 5x2 - 30x-5 %3D %3D %3D PARD %3D
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