homework-chapter # 10-14 (b)

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$q hint: for q3, what value in the denominator would make the fraction undefined? for what positive value of x is the equation — -— -------- = 0 undefined? 2x 2 4- 4x - 6 which of the following is an equivalent form of the expression (6 - 5.x) (15x — 1 1)? ® -75a~ + 35x - 66 © —75a*2 4- 145a* — 66 © 90a*2 - 14lx + 55 © 90a*2 4- 9a* + 55 □ what is the sum of the roots of 3x 2 4- 9x = 54? i © -6 i © -3 l © 3 ; © 6 h f(x) = (1.3x - 3.9) 2 - (0.69x2 - 0.14x - 9.79) which of the following functions is equivalent to the function given? ; © fa) = (x - 5) 2 © /(x) = x2 4- 10.28x + 5.42 j© /(x) = 0.6 lx 2 …$

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satisfies the equation x 2 + 2x - 5 = 0? p 12 y y =x2 + 4x -4 a 2 -12a -72 = 0 "which of the following is the greatest possible value of a? which of the following is equivalent to the equa- tion of the graph shown? ® (x— 2) 2 — 8 ® (x + 2) 2 - 8 © (x - 2) 2 + 8 © (x + 2) 2 + 8answers to dril l questions: a. x - 5 ± 3v3 b. x = -4 ± v10 1 ± 3v5c. x - 2 - 1 ± v65 d. x= ------4 e. x = 3a ± a ft 18 3x 2 = ni(5x + v) what are the values of x that satisfy the equation above, where m and v are constants? 5m 725m 2 + 12mv ® x=— g-± - g 5m 725m 2 …

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um height of 34 feet 3 seconds after it was fired, which of the following func- tions could represent the height, h, of the rocket t seconds after it was fired? ® /l(t) = -16 ( t -3 ) 2 + 34 i® h(f) = — 16(t + 3)2 + 34 ! © h(t) = 16(t - 3) 2 + 34 ' © h(t) = 16(f + 3) 2 + 34 29 ! 0 ■2 6 •a 26 hint: for q26, note that both equations are equal to a. a = b 2 + 4b - 12 <1 = -12 + b ine ordered pair {a, b) satisfies the system ot equa- tions shown. what is one possible value of b? the graph of the function f defined by fix) = — 2(x — 3) 2 — 4, is shown in the xy-plane. the function g (not shown) is defined …

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О "homework-chapter # 10-14 (b)"

q hint: for q3, what value in the denominator would make the fraction undefined? for what positive value of x is the equation — -— -------- = 0 undefined? 2x 2 4- 4x - 6 which of the following is an equivalent form of the expression (6 - 5.x) (15x — 1 1)? ® -75a~ + 35x - 66 © —75a*2 4- 145a* — 66 © 90a*2 - 14lx + 55 © 90a*2 4- 9a* + 55 □ what is the sum of the roots of 3x 2 4- 9x = 54? i © -6 i © -3 l © 3 ; © 6 h f(x) = (1.3x - 3.9) 2 - (0.69x2 - 0.14x - 9.79) which of the …

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