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Simplify the expression:     24mn     ————     18m2           3m     a. ——        4n           4mn     b. ———         3           4n     c. ——        3m        d. 4/3
2Answer:     6a + 12   10     ———————· —————       5      a + 2        a. 12     b. 24     c. 12a + 12     d. 24a
3Answer:       y        y2    ——————— ÷ —————    x2 – y2    x – y              1    a. ———————       y(x + y)                 y3    b. ——————————————————       x3 – x2y – xy2 + y3          x + y    c. —————         y             1    d. ———————       y(x – y)
4Answer:      m2      ———      5n3     —————       m      ———       n2        a. 5mn     b. m/(5n)     c. mn/5     d. m2/n
5Answer:     10   4     —— + —     pq   q           10 + 4p     a. ———————          pq2              14     b. ————————        q(p + 1)           10p + 4     c. ———————          pq           10 + 4p     d. ———————          pq
6Answer:       4        9     ————— + ———————     k + 1   2(k + 1)              13     a. ————————        2(k + 1)              17     b. ————————        2(k + 1)            11     c. —————        k + 1           8     d. —        9
7Answer:     Find the LCM of the set of polynomials:     10x2, 30xy2     a. 30x2y2     b. 300x3y2     c. 10x     d. 40x2y2
8Answer:     Find the LCM of the set of polynomials:     3z + 12, 6z + 24     a. 18(z + 4)     b. 3(z + 4)     c. 6(z + 4)     d. z + 4
9Answer:     Which is an equation of the vertical asymptote of the graph     f(x) = (x – 1)/(x – 2)     a. y = 1     b. y = 2     c. x = 2     d. x = 1
10Answer:     Referring to the figure, which rational function is shown graphed?     a. f(x) = 2/(x + 1)     b. f(x) = 2/(x – 1)     c. f(x) = x/(x – 1)     d. f(x) = x/(x + 1)  
11Answer:     The equation z = 30x represents a(n) _____ variation.     a. direct     b. joint     c. inverse     d. combined
12Answer:     Suppose y varies jointly as x and z. If     y = 24 when x = 2 and z = 3, find     y when x = 1 and z = 5.     a. 5     b. 20     c. 10     d. 4
13Answer:     The equation m = 4/n represents a(n) _____ variation.     a. direct     b. joint     c. inverse     d. reverse
14Answer:     If y varies inversely as x and y = 2 when x = 10,     find y when x = 5.     a. 1     b. 4     c. 25     d. 100
15Answer:     Referring to the figure, identify the function shown.     a. absolute value     b. greatest integer     c. direct variation     d. quadratic  
16Answer:     Referring to the figure, identify the function shown.     a. identity     b. constant     c. inverse variation     d. rational  
17Answer:                                                       ___     Identify the type of function represented by y = √16x.     a. direction variation     b. quadratic     c. inverse variation     d. square root
18Answer:     Solve x/(x – 2) = 7/5     a. -7     b. 5     c. 7     d. -5/7
19Answer:     Solve y + 4 = 5/y     a. -5, 1     b, -1, 5     c. ±1     d. ∅
20Answer:     Solve 9/(m – 5) < 3     a. m < 5 or m > 8     b. m < -2 or m > 5     c. -2 < m < 5     d. 5 < m < 8
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