Review Algebra (for Geometry Similarity U7)

Solve for x:
 $\frac{4}{x}=\frac{10}{22}$  

• x = 0.55

• x = 8.8

• x = 22

• x = 88

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3

Solve for x:
 $\frac{3}{8}=\frac{x\ -\ 5}{12}$  

• x = 5.125

• x = 6.875

• x = 9.5

• x = 76

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3

Factor x² + 7x + 10

• (x + 2)(x + 5)

• (x - 2)(x - 5)

• (x + 1)(x + 10)

• (x - 1)(x - 10)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor x² - 2x - 63

• (x + 9)(x + 7)

• (x - 9)(x - 7)

• (x + 9)(x - 7)

• (x - 9)(x + 7)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor x² + x - 20

• (x + 10)(x - 2)

• (x - 10)(x + 2)

• (x + 5)(x - 4)

• (x - 5)(x + 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve (x - 8)(x + 3) = 0

• x = 8 OR x = 3

• x = 8 OR x = -3

• x = -8 OR x = 3

• x = -8 OR x = -3

Tags

CCSS.HSA.REI.B.4

Multiply and expand (x + 4)(x - 7)

• x² - 3

• x² - 28

• x² - 3x - 28

• x² - 11x - 28

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

Solve: 2x = 25

• x = 5

• x = 50

• x = ±5

• x = 12.5

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve: x² = 25

• x = 5

• x = 625

• x = ±5

• x = ±12.5

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve:

 $\frac{4}{x}=\frac{x}{9}$  

• x = 6

• x = 36

• x = ±6

• x = ±18

Tags

CCSS.HSA.APR.D.7

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3