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 Solve the equation by factoring:  2x2 – 6x = 0     a. (-3,0)     b. (0,3)     c. (0,6)     d. (-3,3) 
 9Answer:      Which quadratic equation has roots -2 and 3?     a. x2 + x + 6 = 0     b. x2 – x – 6 = 0     c. x2 – 6x + 1 = 0     d. x2 + x – 6 = 0
 10Answer:      To solve x2 + 8x + 16 = 25 by using the Square Root Property,     you would first rewrite the equation as _____.     a. (x + 4)2 = 25     b. x2 + 8x – 9 = 0     c. (x + 4)2 = 5     d. x2 + 8x = 9
 11Answer:      Find the value of c that makes x2 + 10x + c a perfect square.     a. 100     b. 25     c. 10     d. 50
 12Answer:      The quadratic equation x2 + 6x = 1 is to be solved by     completing the square. Which equation would be the first step in that solution?     a. x2 + 6x – 1 = 0     b. x2 + 6x + 36 = 1 + 36     c. x(x + 6) = 1     d. x2 + 6x + 9 = 1 + 9
 13Answer:      Find the exact solutions to x2 – 3x + 1 = 0 by using the Quadratic Formula.                 _        -3 ± √5     a. ———————           2
Find p(-3) if p(x) = 4 – x     a. 12     b. 4     c. 1     d. 7
2Answer:     Referring to the figure, state the number of real zeros for     the function whose graph is shown.     a. 0     b. 1     c. 2     d. 3  
3Answer:     Referring to the figure, determine the values of x     between which a real zero is located.     a. between -1 and 0     b. between 6 and 7     c. between -2 and -1     d. between 2 and 3  
4Answer:     Referring to the Fig. in Question #3, estimate the x-coordinate at     which a relative minimum occurs.     a. 3     b. 2     c. 0     d. -1
5Answer:     Write the expression x4 + 5x2 – 8 in quadratic     form, if possible.     a. (x2)2 + 5(x2) – 8     b. (x4)2 + 5(x4) – 8     c. (x2)2 – 5(x2) – 8     d. not possible
6Answer:     Solve x4 – 13x2 + 36 = 0     a. -3, -2, 2, 3     b. -9, -4, 4, 9     c. 2, 3, 2i, 3i     d. -2, -3, 2i, 3i
7Answer:     Use synthetic substitution to find f(3) for f(x) = x2 – 9x + 5     a. -23     b. -16     c. -13     d. 41
8Answer:     One factor of x3 + 4x2 – 11x – 30 is x + 2.     Find the remaining factors.     a. x – 5, x + 3     b. x – 3, x + 5     c. x – 6, x + 5     d. x – 5, x + 6
9Answer:     Which describes the number and type of roots of the     equation 4x + 7 = 0?     a. 1 imaginary root     b. 1 real root and 1 imaginary root     c. 2 real roots     d. 1 real root
10Answer:     Which is not a root of the equation x3 – x2 – 10x – 8 = 0?     a. 1     b. 4     c. -2     d. -1
11Answer:     List all of the possible rational zeros of f(x) = x3 – 7x2 + 8x – 6.     a. ±1, ±1/2, ±1/3, 1/6     b. 0, ±1, ±2, ±3, ±6     c. ±1, ±2, ±3, ±4, ±6     d. ±1, ±2, ±3, ±6
12Answer:     Find all the rational zeros of p(x) = x3 – 12x – 16.     a. -2, 4     b. 2, -4     c. 4     d. -2
13Answer:     Find (f + g)(x) given f(x) = x + 5 and g(x) = 2x     a. 3x + 5     b. x + 5     c. 2x + 10     d. 2x2 + 5
14Answer:     Find (f·g)(x given f(x) = x + 5 and g(x) = 2x     a. 2x2 + 5     b. 3x2 + 10x     c. 2x2 + 10x     d. 2x + 10
15Answer:     if f(x) = 3x +7 and g(x) = 2x – 5, find g[f(-3))]     a. -26     b. -9     c. -1     d. 10
16Answer:     if f(x) = x2 and g(x) = 3x – 1 find [g•f](x)     a. x2     b. 9x2 – 1     c. 9x2 – 6x + 1     d. 3x3 – x2
17Answer:     Find the inverse of g(x) = -3x     a. g-1(x) = x + 1     b. g-1(x) = -3x – 3     c. g-1(x) = x – 1     d. g-1(x) = –x/3
18Answer:     Determine which pair of functions are inverse functions.     a. f(x) = x – 4        g(x) = x + 4     b. f(x) = x – 4        g(x) = 4x – 1     c. f(x) = x – 4        g(x) = (x – 4)/4     d. f(x) = 4x – 1        g(x) = 4x + 1
19Answer:     Referring to the figure, state the domain and range of     function graphed.     a. D: x > 2, R: y > 0     b. D: x < 2, R: y > 0     c. D: x ≥ 2, R: y < 0     d. D: x ≥ 2, R: y ≥ 0  
20Answer:     Referring to the figure, which inequality is shown in     the graph.             ______               a. y ≤ √4x + 8             ______     b. y > √4x + 8             ______     c. y < √4x + 8             ______     d. y ≥ √4x + 8  
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