8th grade Review

Front

Simplify 4^-2 = ?

Back

1/16

Front

Find the length of the missing side of a triangle with sides 30 cm and 40 cm.

Back

52 cm

Front

Which set of rational numbers is arranged from greatest to least? A: -6/5, -1/2, 0, 1/9, 0.6, 1.0 B: 7/6, 0.9, 1/2, 3/8, -1/10, -0.7 C: -3.25, 1/8, 7/5, 0.5, 1/3, 5/6 D: 9/8, 7/6, -5/12, -1.1, -10/5, -3.6

Back

B: 7/6, 0.9, 1/2, 3/8, -1/10, -0.7

Front

Find the slope of the line that passes through the points (-3, -4) and (7, 6).

Back

1

Front

Evaluate 7^2 ÷ 7 = ?

Back

7

Front

What is the definition of a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers.

Front

What is the formula for finding the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) where (x1, y1) and (x2, y2) are two points on the line.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and eliminating unnecessary elements.

Front

What is the value of 2^3?

Back

8

Front

What is the Pythagorean theorem?

Back

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