ACT Math Prep 1

Front

Of the 180 students in a college course, 1/4 of the students earned an A for the course, 1/3 of the students earned a B for the course. How many of the students earned a C for the course?

Back

75 students earned a C for the course.

Tags

CCSS.7.EE.B.3

Front

What is the probability of drawing a piece of paper with a number less than 9 from a jar containing numbers 1 through 15?

Back

The probability is 8/15.

Tags

CCSS.7.SP.C.7B

Front

Which expression is equivalent to -4x^3 - 12x^3 + 9x^2?

Back

-16x^3 + 9x^2.

Tags

CCSS.6.EE.A.4

Front

What is the value of 4 + 12 - 16?

Back

The value is 0.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the equivalent expression for (4c - 3d)(3c + d)?

Back

12c^2 - 5cd - 3d^2.

Tags

CCSS.HSA.APR.A.1

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Tags

CCSS.6.G.A.1

Front

What is the quadratic formula used to solve ax^2 + bx + c = 0?

Back

x = (-b ± √(b² - 4ac)) / (2a).

Tags

CCSS.HSA-REI.B.4B

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Tags

CCSS.7.G.B.4

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