Math Summative

1. x + y = 25 and x - y = 8. Find x² + 2x - 2y - y².

• 92

• 182

• 216

• 166

• 108

Tags

CCSS.HSA.REI.C.6

Find the coefficient of x³ in the expanded form of (4x² + 3)(5x + 1)(2x² - 1).

• 3

• 6

• 7

• 10

• 12

Tags

CCSS.HSA.APR.A.1

3. x + y = 12 and x - y = 4. Find xy.

• 16

• 32

• 36

• 28

• 18

Tags

CCSS.HSA.REI.C.6

4. (ax² + bx)(x - 3) + (x² + ax)(x + 3) = 7x³ - 8x² + 12x. Find a + b.

• 2

• 17

• 3

• 11

• 10

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.2

Simplify (2x³ + 4x)(4x³ + 2x).

• 20x⁶ + 20x⁴ + 8x²

• 20x⁶ + 8x⁴ + 16x²

• 18x⁶ + 20x⁴ + 18x²

• 16x⁶ + 20x⁴ + 16x²

• 8x⁶ + 20x⁴ + 8x²

Tags

CCSS.HSA.APR.A.1

Simplify (x - 1)(x^2 - x)(x + 1).

• x^4 + x^3 + x^2 + x

• x^4 - x^3 - x^2 + x

• x^4 - x^3 + x

• x^4 - 2x^3 - x

• x^4 + 2x^2 + x

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

(Ax - B)(x - 2) = Cx^2 + 4. Find C.

• -2

• 3

• -1

• 1

• 2

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

(4x^2 + Ax + B = (2x + C)^2). Which of the following expressions is true?

• A = 2C

• B = 8

• C = (4/2)^2

• B = (5/2)^2

• B = (4/2)^2

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

(x^2 - 1)(x^2 - 2x + 1) =

• (x + 1)^2(x - 1)^2

• (x + 1)(x - 1)^2

• (x + 1)(x - 1)^3

• (x + 1)^4

• (x - 1)^4

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify (6x + 5)(x + 1)^2.

• 5x^3 + 17x^2 + 11x + 5

• 2x^3 + 11x^2 + 16x + 5

• 2x^3 + 17x^2 + 14x + 9

• 6x^3 + 17x^2 + 16x + 5

• 6x^3 + 12x^2 + 14x + 9

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.C.5

CCSS.HSA.SSE.B.3