Translate the English expression into an algebraic expression. Use x to represent the unknown number.The difference of 56 and a number
A. 
B. 56x
C. x - 56
D. 56 - x
Answer: D
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Find only the rational zeros.f(x) = x5 - 4x4 - 3x3 + 12x2 - 4x + 16
A. 4, 2, 3 B. -4, 2, -2 C. 4, 2, -2 D. No rational zeros
Write the fraction or mixed number as a percent.
A. 83
%
B. 
%
C. 
%
D. 8
%
Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = x2 - 6x
A. vertex: (3, -9)
axis of symmetry: x = 3
x-intercepts: 0 and 6; y-intercept: 0
domain: (-?, ?); range: [-9, ?)
B. vertex: (-3, 9)
axis of symmetry: x = -3
x-intercept: none; y-intercept: 18
domain: (-?, ?); range: [9, ?)
C. vertex: (-3, -9)
axis of symmetry: x = -3
x-intercepts: 0 and -6; y-intercept: 0
domain: (-?, ?); range: [-9, ?)
D. vertex: (3, 9)
axis of symmetry: x = 3
x-intercept: none; y-intercept: 18
domain: (-?, ?); range: [9, ?)
Solve the equation.2(y + 2) = 3(y - 6)
A. 14 B. -22 C. -14 D. 22