Solve the equation.x2 - x = 72
A. {1, 72}
B. {-8, 9}
C. {8, 9}
D. {-8, -9}
Answer: B
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Factor completely. If the polynomial cannot be factored, write "prime."14x2 + 63x - 35
A. 7(2x + 1)(x - 5) B. 7(2x - 1)(x + 5) C. (14x - 7)(x + 5) D. (2x - 1)(7x + 35)
Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 7.0 ft high and meets the ground at a point 5.0 ft from the base of the pole. If the point is 78 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.
A. 546 ft B. 7 ft C. 2730 ft D. 109 ft
Provide an appropriate response.Find the equation of the line perpendicular to 2x - 5y = 10 and containing the point (
, 4).
Fill in the blank(s) with the appropriate word(s).
Solve using the quadratic formula.x2 - 4x + 13 = 0
A. 5, -1 B. 2 ± 3i C. -2 ± 3i D. 4 ± 6i