Combine like terms.3n - 9n2 + 7n + 2n2
A. 10n - 7n2
B. 3n - 7n2 + 7
C. 10n - 9n2 + 2
D. 3n + 11n2
Answer: A
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.A sheet of aluminum is manufactured to have the following shape. The perimeter of the sheet of aluminum is 362 inches. What is the length of the bottom side?
A. Let b = the length of the bottom side. 58 ? b = 362 The length of the bottom side is 348 inches. B. Let b = the length of the bottom side. 55 + 58 + 119 + b = 362 The length of the bottom side is 130 inches. C. Let b = the length of the bottom side. 55 + 58 + 119 + b = 362 The length of the bottom side is 354 inches. D. Let b = the length of the bottom side. 58 + b = 362 The length of the bottom side is 304 inches.
For the equation, create a table, -3 ? x ? 3, and list points on the graph.y = x2 + 2
A. 
(-3, 11), (-2, 6), (-1, 3), (0, 2), (1, 3),
(2, 6), (3, 11)
B. 
(-3, 10), (-2, 5), (-1, 2), (0, 1), (1, 2),
(2, 5), (3, 10)
C. 
(-3, 7), (-2, 2), (-1, -1), (0, -2), (1, -1),
(2, 2), (3, 7)
D. 
(-3, -1), (-2, 0), (-1, 1), (0, 2), (1, 3),
(2, 4), (3, 5)
Find the sum or difference.(7x6 + 6x8 - 7 + 4x7) - (-1 + 8x7 + 8x8 - 9x6)
A. -2x8 - 4x7 + 16x6 - 6 B. 14x8 + 12x7 - 2x6 - 8 C. 14x8 + 12x7 - 2x6 - 6 D. -2x8 + 12x7 - 2x6 - 8
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = x2 + 14x + 35
Give your answers in exact form.
A. x-intercepts: 7 - 
and 7 + 
; y-intercept: 35
B. x-intercepts: -7 - 
and -7 + 
; y-intercept: 35
C. x-intercepts: -14 - 
and -14 + 
; y-intercept: -35
D. x-intercepts: 7 + 
; y-intercept: -35