Use the theorem on bounds to establish the best integral bounds for the roots of the equation.8x3 + 9x + 3 = 0
A. -1 < x < 2
B. -1 < x < 1
C. -2 < x < 2
D. -2 < x < 1
Answer: B
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Solve.x2 - x = 20
A. x = -4, -5 B. x = 1, 20 C. x = 4, 5 D. x = -4, 5
Multiply.
A. 
B. 
C. 
D. 3
Use the given graph of a quadratic function to find the vertex, axis of symmetry, y-intercept, and x-intercept(s).
A. vertex: (-1, 4) axis of symmetry: x = -1 y-intercept: 3 x-intercepts: 1 and - 3 B. vertex: (-1, 4) axis of symmetry: x = -1 y-intercepts: 1 and - 3 x-intercept: 3 C. vertex: (4, -1) axis of symmetry: x = 4 y-intercepts: 1 and - 3 x-intercept: 3 D. vertex: (-1, 4) axis of symmetry: x = 4 y-intercept: 3 x-intercepts: 1 and - 3
Factor the polynomial completely using the trial and error method.- 16x3 + 4x2 + 15x4
A. x(3x + 2)(5x + 2) B. x2(15x - 1)(x - 4) C. (15x2 + 2)(x2 + 2) D. x2(3x - 2)(5x - 2)