Find the vertex for the parabola whose equation is given.y = -(x - 1)2 + 9

A. (- 1, - 9)
B. (1, 9)
C. (- 1, 9)
D. (9, - 1)


Answer: B

Mathematics

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Use the empirical probability formula to solve the exercise.This spinner is spun 36 times. The spinner landed on A 3 times, on B 5 times, and on C 28 times. What is the probability that the spinner will land on B?

A.
B.
C.
D.

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Solve the equation. Write the answer in a + bi form.x2 + 1 - i = 0

A. 6 - 2i, -6 - 2i
B.  - , -  + 
C.  + i, -  - i
D.  + i, -  - i

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Solve the problem.Find (f - g)(-2) when f(x) = 2x2 - 1 and g(x) = x - 3.

A. -5 B. 8 C. 12 D. 6

Mathematics

Solve.Find the measures of the complementary angles.

A. 104°, 76° B. 14°, 166° C. 14°, 76° D. 14°, 77°

Mathematics