Algebra Test Review

Which of these represents point-slope form of a linear equation?

• y - y₁ = m(x - x₁)

• Ax + By = C

• y = mx + b

Please select the recursive formula that represents how to find the "nth" term of the arithmetic sequence:

3, 5, 7, 9.......

• a_n= a_n-1+2

• a_n= a_n-1+3

• a_n=a_n-1+9

Tags

CCSS.HSF.BF.A.2

Please select the explicit formula that represents how to find the "nth" term of the arithmetic sequence:

• a_n= 3 + (n-1)7

• a_n=7 + (n-1)5

• a_n= 3 + (n-1)2

• a_n=2 + (n-1)3

Tags

CCSS.HSF.BF.A.2

Solve for d:

• d = 24

• d = -48

• d = -3

• 12

Tags

CCSS.7.EE.B.4A

Solve for x:
4(1 - x) + 3x = - 2(x + 1)

• x = -6

• x = 6

• x = 3

• x = -3

• A

• B

• C

• D

Tags

CCSS.HSA.CED.A.4

What inequality does the number line graph represent?

• x >= 3

• x > 3

• x < -3

• x <= 3

Tags

CCSS.6.EE.B.8

x < 1 x < -1 x > 1 x > -1

• x < 1

• x < -1

• x > 1

• x > -1

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

• $394

• $440

• $472.80

• $512.20

Tags

CCSS.HSF-LE.A.1B

Solve:
2(4x - 3) - 8 = 4 + 2x

• x = 5/3

• x = 3

• x = 1

• x = 2