SAT Math Heart of Algebra

x/32 = 3/8

• 3

• 8

• 12

• 24

Tags

CCSS.6.EE.B.7

9 is 15% of what number?

• 5/3

• 14.5

• 60

• 145

Tags

CCSS.6.EE.B.6

Solve for x.

5x + 12 = 15x - 18

• 0

• 1

• 3

• 4

A train leaves Cowville traveling east at 120 miles per hour, and another train leaves Cowville at the same time traveling west. After 6 hours, they are 1260 miles apart. How fast is the westbound train traveling?

• 60

• 70

• 80

• 90

Tags

CCSS.8.EE.C.7B

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

Tags

CCSS.8.EE.C.8B

What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the inequality.

-5x - 9 > -x + 7

• x > 4

• x > -4

• x < 4

• x < -4

Find the slope between the given points:

(-3, 4) and (5, -6)

• 4/5

• -4/5

• 5/4

• -5/4

Tags

CCSS.8.EE.B.5

Select the equation that contains these two points:

(-1, -5) and (1, 3)

• y = 4x - 1

• y = (1/4)x - 1

• y = (1/4)x + 1

• y = 4x + 1

The equation y = (1/3)x + 4 defines a line. Which of these equations defines a line that is perpendicular to the first?

• y = (1/3)x - 2

• y = -(1/3)x + 5

• y = 3x - 5

• y = -3x + 2