MASTER Algebra I Strategies YL Midterm

Darren and his two siblings' ages are three consecutive numbers. If the sum of their ages is 51, what are the three ages?

• 17, 18, 19

• 16, 17, 18

• 15, 17, 19

• 50, 51, 52

Tags

CCSS.8.EE.C.7B

The table represents a function. | x | y | |----|----| | 7 | 9 | | 9 | 9 | | 12 | 10 | | 21 | 9 | Select the domain of the function.

• A. {7, 9, 12, 21}

• B. {9, 10}

• C. {7, 9, 10, 12, 21}

• D. All real numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Solve the equation for r. E = v + Ir

• r = (E - v) / I

• r = I(E - v)

• r = (v + I) / E

• r = E - v - I

Tags

CCSS.HSA.CED.A.4

Which inequality does the graph represent?

• y > x - 2

• y < x - 2

• y > -x - 2

• y < -x - 2

Tags

CCSS.HSA.REI.D.12

What is the solution of the system of equations? 4x + 2y = -1 3x + 4y = 3

• (1, 2/3)

• (-1, 2/3)

• (1, 3/2)

• (-1, 3/2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the compound inequality. 6 - x > 15 or 2x - 9 ≥ 3

• x > 9 or x ≤ 6

• x < 9 or x ≥ -6

• x > -9 or x ≤ -6

• x < -9 or x ≥ 6

Which line is perpendicular to the graph of 3x + 6y = 5?

• y = -1/2x + 4

• y = 1/2x - 7

• y = -2x + 1

• y = 2x - 4

The range of temperatures, in °F, for a winter sleeping bag is represented by the equation shown. |x - 2| - 7 = -3 Solve to find the minimum and maximum temperatures.

• -4 and 4 degrees

• -2 and 6 degrees

• -8 and 12 degrees

• -3 and 3 degrees

What is the y-intercept of the graph of 5x - 4y = 20?

• (4, 0)

• (0, -4)

• (5, 0)

• (0, -5)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What function models the situation? A baker initially makes 4 loaves of bread and sells 2 loaves each day, where x is time in days and y is number of loaves remaining.

• y = 2x + 4

• y = 2x - 4

• y = -2x + 4

• y = -2x - 4

Tags

CCSS.HSF-BF.A.1A