Algebra Nation

The value x = 4 is a solution to all of the following questions except which?

• 2x + 7 = 15

• 3(x + 1) = x + 11

• x + 5 = 3x - 3

• x + 12 = 5x - 2

Tags

CCSS.6.EE.B.5

Which of the following is the solution to

• 47

• -1

• 35

• -5

Tags

CCSS.7.EE.B.4A

• n + 5n = 41

• n + n + 5 = 41

• 5(n + 1) = 41

• 5n + n + 1 = 41

Tags

CCSS.7.EE.B.4A

Which of the following is NOT an equation?

• 5(2x + 1) = 10x + 5

• 4x - 1

• 5 + 3 = 10

• (x/2) + 1 = 7

Which of the following values of x solves 3(x - 6) = 18?

• 12

• 0

• 8

• -6

Tags

CCSS.6.EE.B.5

The inequalities 2x + 1 > 15 will be true when

• x = 7

• x = 0

• x = 10

• x = 5

Tags

CCSS.6.EE.B.5

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Tags

CCSS.HSA.CED.A.4

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The sum of two consecutive odd integers is at least 16. Which of the following inequalities would model this statement?

• n + n + 3 < 16

• 
• n + n + 2 > 16

• 

Tags

CCSS.7.EE.B.4B

Jenna manipulated the equation 4x + 7 = 10 by adding -7 to both sides. Which of the following properties justifies this manipulation?

• The associative property of addition

• The addition property of equality

• The commutative property of addition

• The multiplication property of equality

Tags

CCSS.HSA.REI.A.1