Math Unit Test Review
Which rule can be used to describe the growth of the y-values of the function over each interval from to ?
B
Given the function f(x) = −2x2 + 4x − 7, find f(−4). −55 −7 9 25
A
Which is the graph of the function f(x) = x2 + 2x + 3?
A
Which type of function is represented by the table of values below? x y 1 4 2 16 3 64 4 256 5 1,024
A exponential
The graph of the function f(x) = −3x2 − 3x + 6 is shown. Which statements describe the graph? Select three options.
ABC
From the equation, find the axis of symmetry of the parabola. Y=2x^2 + 4x -1
B
The graph of an exponential function and a linear function are shown below.Exponential Linear Which statement is true about the functions?
B
Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation. Y=x^2+x+6
B
What are the x-intercepts of the graph of the function f(x) = x2 + 5x − 36? (−4, 0) and (9, 0) (4, 0) and (−9, 0) (−3, 0) and (12, 0) (3, 0) and (−12, 0
B
Part of the graph of the function f(x) = (x - 1)(x + 7) is shown below. Which statements about the function are true? Select three options.
BCD
The graph of the function f(x) = (x + 2)(x − 4) is shown. Which describes all of the values for which the graph is negative and increasing?
C
Which function has a vertex on the y-axis? f(x) = (x - 2)2 f(x) = x(x + 2) f(x) = (x - 2)(x + 2) f(x) = (x + 1)(x - 2)
C
Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range. y = x^2 + 2 x - 5
D
What is the y-value of the vertex of the function f(x)=−(x−3)(x+11)? −8 −4 33 49
D
Which is f(6) for the quadratic function graphed? -2 -0.5 1.5 4
D