Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 1)2 - 1
A. vertex: (- 1, - 1)
axis of symmetry: x = - 1
B. vertex: (- 1, - 1)
axis of symmetry: x = - 1
C. vertex: (1, - 1)
axis of symmetry: x = 1
D. vertex: (1, - 1)
axis of symmetry: x = 1
Answer: C
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Use the FOIL method to find the product. Express the product in descending powers of the variable.(8x + 4)(x + 3)
A. 8x2 + 28x + 28 B. 8x2 + 28x + 12 C. 8x2 + 12x + 28 D. 8x2 + 26x + 12
Simplify and add or subtract wherever possible.
- 3
- 7
A. 62
B. 57
C. -108
D. -62
Solve the problem.Edward's real estate tax bill was $7450 last year. If he paid $8100 this year, what was the percent increase on his taxes? Round your answer to the nearest hundredth of a percentage point.
A. 80.70% B. 91.98% C. 8.72% D. 8.02% E. 4.35%
Factor the GCF from the polynomial.27y3 - 9y2 + 12y
A. 3y(9y2 - 3y + 4) B. y(27y2 - 9y + 12) C. 3(9y3 - 3y2 + 4y) D. 3y(9y3 - 3y2 + 4y)