Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 + 9x - 22
A. (x - 11)(x + 2)
B. prime
C. (x - 11)(x + 1)
D. (x + 11)(x - 2)
Answer: D
Mathematics
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Solve the problem.The following table shows the number of housing starts in a beachside community in various years. Let f(t) be the number of housing starts at t years since 2009. Use a graphing calculator to draw a scatterplot. Find and verify an equation of f.
A. f(t) = 2.679t2 + 26.607t + 168.571 B. f(t) = -2.679t2 + 26.607t - 168.571 C. f(t) = -2.679t2 - 26.607t + 168.571 D. f(t) = -2.679t2 + 26.607t + 168.571
Mathematics
Find the axis of symmetry of the given function.g(x) = 2x2 - 20x + 52
A. x = 2 B. x = -2 C. x = -5 D. x = 5
Mathematics
Evaluate the determinant.
A. 6x3 - 9x + 180 B. 4x3 + 9x - 180 C. 4x3 + 9x + 180 D. 6x3 + 9x + 180
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics