8th grade Review quiz

Simplify the expression: 2x + 4(7x - 5) +1

• 30x - 6

• 30x - 16

• 30x - 19

• 9x + 10

Tags

CCSS.6.EE.A.3

Write the equation of the line in slope-intercept form.

• y = (-2/3)x + 4

• y = (2/3)x + 4

• y = (3/2)x + 4

• y = (-3/2)x + 4

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Find the sum.
(5x² -3x + 4) + (6x -3x² - 3)

• 3x² + 2x + 1
• 2x² + 3x +1
• 2x² + 5x - 7
• 3x² + 4x⁵ -7x

Tags

CCSS.HSA.APR.A.1

Subtract (4x -5 +3x²) from (3- 2x + 2x²)

• x² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12
• 5x³ + 17x² - 24x +12
• 5x³ - 13x² + 24x +12
• 5x³ +13x² - 24x - 12

Tags

CCSS.HSA.APR.A.1

Write the inequalities represented in the picture.

• y > -2 + x
  y ≤ 2x + 2
• y > 2 + x
  y ≤ 2x + 2
• y ≥ -2 + x
  y ≤ 2x + 2
• none of these are the system

Tags

CCSS.HSA.REI.D.12

Solve for x:

2(4x − 3) − 8 = 4 + 2x

• 3

• 4

• 8

• 2

Identify this equation as Infinite or No Solution:

4(k - 8) = -32 + 4k

• Identity (Infinite)

• No Solution

Solve this literal equation for the variable specified:

u= 2x - 2, for x

• (u + 2) / 2 = x

• (u - 2) / -2 = x

• (u + 2) / -2 = x

• u/2 + 2 = x

Find the slope:

(-4, 3) and (-4, -7)

• 5/4

• -10/8

• 0

• Undefined