Math I Review

Which number is missing in the table?

• 108

• 216

• 324

• 648

The equation x² – 1x – 90 = 0 has solutions {a, b}. What is a + b?

• -19

• -9

• 1

• 10

The graph of which function has an axis of symmetry at x = -1/4

• 2x²+x-1

• 2x²-x+1

• x²+2x-1

• x² -2x+1

Which term can be added to the list so that the greatest common factor of the three terms is 12h³?

36h³, 12h⁶, __________

• 6h³

• 12h²

• 30h⁴

• 48h⁵

The variables A, B, and C represent polynomials where A = x + 1, B = x² + 2x − 1, and C = 2x. What is AB + C in simplest form?

• x³+3x-1

• x³+4x-1

• x³+3x²+3x-1

• x³+2x²-x+1

Simplify the expression –3(x + 3)² – 3 + 3x. What is the simplified expression in standard form?

• –3x² – 18x – 27

• –3x² – 15x – 30

• –3x² + 3x + 6

• –3x² + 3x – 30

Gerri purchases a coupon book with discounts for her favorite coffee shop. Every coupon for the coffee shop offers the same discount. The table shows her total savings, y, based on the number of coupons, x, used from the book.

What are the slope and y-intercept of the line represented by the points shown in the table?

• slope: 2, y-intercept: –20

• slope: 2, y-intercept: 10

• slope: 5, y-intercept: –20

• slope: 5, y-intercept: 10

Tags

CCSS.8.EE.B.5

A square piece of paper has an area of x² square units. A rectangular strip with a width of 2 units and a length of x units is cut off of the square piece of paper. The remaining piece of paper has an area of 120 square units.

Which equation can be used to solve for x, the side length of the original square?

• x² − 2x − 120 = 0

• x² + 2x − 120 = 0

• x² − 2x + 120 = 0

• x² +2x + 120 = 0

What is the product of 3a(8a-6b)

• 24a-18ab

• 24a-18b

• 24a²-6b

• 24a²-18ab

Tags

CCSS.HSA.APR.A.1

k²+7x+10

• (k+5)(k+2)

• (k-5)(k-2)

• (k+5)(k-2)

• (k-5)(k+2)