1. Chapter 5.1 – 5.3
Quiz Review
Quizdom Remotes!!!

3. Question 2
Using the graph of f(x) = x2 as a guide, describe the transformations.
g(x) = (x + 6)2 – 2
is translated 2 units left and 6 units down.
is translated 6 units right and 2 units up.
is translated 6 units left and 2 units down
is translated 2 units right and 6 units up.

4. Question 3
Using the graph of f(x) = x2 as a guide, describe the transformations.
g(x) = -8x2
A reflection across the x-axis and a horizontal stretch by a factor of 8.
A reflection across the x-axis and a vertical compression by a factor of 8
A reflection across the x-axis and a vertical stretch by a factor of 8.
A reflection across the x-axis and a horizontal compression by a factor of 8.

5. Question 4
The parent function f(x) = x2 is reflected across the x-axis, vertically stretched by a factor of 10, and translated right 10 units to create g. Use the description to write the quadratic function in vertex form. a. b. c. d.

6. Question 5 Identify the axis of symmetry for the graph of
a.) x = -1 b.) y = -1
c.) y = 1 d.) x = 1

7. Question 6
Determine whether the graph opens up or down. Find the axis of symmetry, the vertex and the y-intercept.
a.) The parabola opens downward.
The axis of symmetry is the line x = -1.
The vertex is the point (-1, 14).
The y-intercept is 10.
b.) The parabola opens upward.
The vertex is the point (-1, 14)
The y-intercept 10.
c.) The parabola opens upward.
The vertex is the point (-1, -6).
The y-intercept -5.
d.) The parabola opens downward.
The vertex is the point (-1, 7).
The y-intercept is 5.

8. Question 7 Find the minimum or maximum value of
y = x2 – 2x – 6. Then state the domain and range of the function.
a.The maximum value is 1. D: {all real numbers}; R: {y | y > -7}
b.The maximum value is 1. D: {x | x > -7 };
R: {all real numbers}
c.The minimum value is –7. D: {all real numbers}; R: {y | y > -7}
d.The minimum value is –7. D: {x | x > -7 };

9. Question 8
The distance d in meters traveled by a skateboard on a ramp is related to the time traveled t in seconds. This is modeled by the function:
d(t) = -4.9t2 – 2.3t What is the maximum distance the skateboard can travel, and at what time would it achieve this distance?
a meters at 0.23 seconds
b meters in 0 seconds
c meters at 4.73 seconds
d meters at 0.47 seconds

10. Question 9 Which quadratic function does the graph represent? 1 2 3 45 6 7 8 9 10 –1 –2 –3 –4 –5 x –6 y
Which quadratic function does the graph represent?

11. Question 10 Find the zeros of by using a graph. a. –5 b. –5 and 1
c. –2 and –9
d. 5 and –1

12. Question 11 Find the zeros of the function
f(x) = x2 +23x + 60 by factoring.
a.) x = -20, -3
b.) x = 4, 15
c.) x = -4, -15
d.) x = 20, 3

13. Question 12
A toy rocket is launched from the ground level with an initial vertical velocity of 96 ft/s. After how many seconds will the rocket hit the ground?
a. 6 seconds
b. 0 seconds or 6 seconds
c. 0 seconds
d seconds

14. Question 13 Find the roots of the equation
30x – 45 = 5x2 by factoring.
A.) x = -9
B.) x = 3
C.) x = 9
D.) x = -3

15. Question 14
Write a quadratic function in standard form with zeros 6 and –8.
a.)
b.)
c.)
d.)

16. Question 15
A quadratic function written in the form ,
f(x) = a(x – h)2 + k where a, h, and k are constants and (h, k) is the vertex
a. parabola
b. quadratic function
c. axis of symmetry
d. standard form
e. vertex form

17. Question 16 where a, b, and c are real numbers and a is not 0.
a. parabola
b. axis of symmetry
c. standard form
d. vertex form

18. Question 17 The shape of the graph of a quadratic function a. parabola
b. quadratic function
c. axis of symmetry
d. vertex

19. Question 18 The lowest or highest point in a parabola a. parabola
b. axis of symmetry
c. vertex of a parabola
d. maximum value

20. Question 19
The line through the vertex of a parabola that divides the parabola into two congruent halves
A. quadratic function
B. axis of symmetry
C. vertex of a parabola
D. maximum value

21. Question 20 The y-value of the vertex when a parabola opens upward
a. minimum value
b. quadratic function
c. axis of symmetry
d. vertex of a parabola
e. maximum value