HA1 - Final Exam

Use exponents to condense the expression below: x · z · y · y · y · y · y · y · x

• x²y⁶z

• xy⁶z

• x²yz⁶

• xyz⁶

Tags

CCSS.6.EE.A.1

• (4xz)⁴

• 16x⁴z⁴

• 256x⁴z⁴

• 4x⁴z⁴

Use multiplication to expand the expression below. Then compute and/or simplify. (−abc)⁴

• −a⁴b⁴c⁴

• a⁴b⁴c⁴

• (−abc)⁴

• −4abc

Solve the system by substitution: 2x − y = 39 −6y = x

• (6, −39)

• (−6, −39)

• (18, −3)

• (−18, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by substitution: 4x + 3y = 30 −x + y = −3

• (4, 6)

• (6, 4)

• (3, −6)

• (−4, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Find the solution of the system of equations by elimination:

−3x + 8y = −5

6x + 2y = −8

• (1, −1)

• (−1, 1)

• (−1, −1)

• (1, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system of equations by elimination:

y = 3x - 5

2x + 3y = 18

• (3, 4)

• (1, -2)

• (4, 7)

• (2, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Tags

CCSS.6.EE.A.3

Solve the inequality: 5x - 7 > 8

• x > 3

• x < 3

• x > 1/5

• x < 1/5

Tags

CCSS.7.EE.B.4B

Which of the following is equivalent to 3x - 5(x + 2)?

• -2x + 2

• -2x - 10

• -2x + 10

• 8x + 10

Tags

CCSS.6.EE.A.3