ACT Math Prep

Front

How many ways can a person order a sandwich, chips, and a drink if there are 3 types of sandwiches, 4 types of chips, and 5 types of drinks?

Back

60

Front

If q = -1, r = 4, and s = 7, what does (q + r - s) (r - q) equal?

Back

18

Tags

CCSS.6.EE.A.2C

Front

What is the diameter of a circle?

Back

The distance from an edge of a circle to another edge through the center.

Front

Find the sum: (5x² - 3x + 4) + (6x - 3x² - 3)

Back

2x² + 3x + 1

Tags

CCSS.HSA.APR.A.1

Front

45 is what % of 90?

Back

50%.

Front

What is the formula for calculating the number of combinations of n items taken r at a time?

Back

C(n, r) = n! / (r!(n - r)!)

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

What is the formula for the area of a circle?

Back

A = πr², where r is the radius.

Tags

CCSS.7.G.B.4

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for the equation ax² + bx + c = 0.

Tags

CCSS.HSA-REI.B.4B