Algebra Practice 2

Solve x² + 5x + 6 = 0
Hint:  Factor.  Then think - what number makes each piece zero?

• x = 2, 3
• x = 2,-3
• x = -2,-3
• x = -2,3

Tags

CCSS.HSA-REI.B.4B

What are the x- and y-intercepts of the equation 3x - 2y = 5

• x = 5/3
  y = -5/2
• x = -5/3
  y = 5/2
• x = 2
  y = 3
• x = 5/3
  y = 5/2

The ratio of two integers is 5:3 and their sum is 320. What are they?

• 175 and 105
• 100 and 220
• 120 and 200
• 50 and 30

What is the value of (2x - 3)(y + 2) when x = 4 and y = -5?

• 35
• 15
• -63
• -15

Tags

CCSS.6.EE.A.2C

Simplify (4x)²

• 8x²
• 4x²
• 16x²
• 6x²

Solve 4x - 6 = -2(x - 9)

• x = -4
• x = 4
• x = 2
• x = -2

How many terms does the following expression have AFTER it is simplified:
4a²b³ + ab - a²b³ + a - b⁴ + ab² + 10ab + b⁴

• 3
• 8
• 5
• 4

Tags

CCSS.7.EE.A.1

Factor 25x⁴ - 225

• (5x² - 15)(5x² + 15)
• (5x² + 15)(5x² + 15)
• (5x² - 25)(5x² + 25)
• (5x² - 15)(5x² - 15)

Tags

CCSS.HSA.APR.C.4

Simplify 35 - 4(5-7)

• -62
• 27
• 43
• 62

Tags

CCSS.6.EE.A.1

Together Charlie and Patty have 45 books. Patty has twice as many books as Charlie.  Let c represent the number of books Charlie has and p the number of books Patty has.  Which of the following systems of equations best expresses this information?

• c + p = 45
  p = 2c
• c + p = 45
  c = 2p
• c = 2p
  p = c + 45
• p = 2c
  c = p + 45

Tags

CCSS.HSA.CED.A.3