Systems of Equations & Inequalities Review

• -10x + 7y = 1

• -10x - 7y = 6

• 9x + 7y = 16

• -20x + 14y = -2

Tags

CCSS.8.EE.C.8B

Tags

CCSS.8.EE.C.8B

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Tags

CCSS.8.EE.C.8B

A linear equation is graphed on the coordinate grid.

When graphed on the same coordinate grid, which equation results in a system of equations with exactly one solution?

• y = 2x + 4

• y = -2x + 5

• y = -2x - 1

• y = -4/2x - 6

Tags

CCSS.8.EE.C.8B

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A linear equation is graphed on the coordinate grid.

When graphed on the same grid, which equation results in a system of equations with exactly one solution?

• 6x - 9y = 18

• 2x - 3y = 15

• 12x - 18y = 36

• 2x + 3y = 12

Tags

CCSS.8.EE.C.8B

• -4

• -2

• 7

• 3

Tags

CCSS.HSA.REI.C.9

The graphs of 3 systems of equations are shown. Drag an ordered pair to each box to identify the solution to each system.

Groups:

(a) System A

,

(b) System B

,

(c) System C

• (4, -5)

• (-6, -1)

• (3, 6)

Tags

CCSS.8.EE.C.8B

One number, x, is 15 more than twice another number, y. The sum of the numbers is 75. What are the numbers?

• x = 50 and y = 25

• x = 40 and y = 35

• x = 20 and y = 55

• x = 55 and y = 20

Tags

CCSS.8.EE.C.8C

Xoe took a total of 270 nickels and dimes to trade in for cash at the bank. She got exactly $21 back. How many dimes did she have?

• 15

• 150

• 75

• 90

Tags

CCSS.8.EE.C.8C