8th grade math milestone review

Front

Using exponents, simplify the expression: 5^9 / 5^4

Back

5^5

Front

Solve for z: 6z + 3 - 4z = 9

Back

z = 3

Front

What is the slope of the line that passes through the points (5, 1) and (2, -7)?

Back

Slope = (y2 - y1) / (x2 - x1) = (-7 - 1) / (2 - 5) = 8/3

Front

Convert the decimal 0.75 to a fraction in simplest form.

Back

3/4

Front

How do you write 8.7 x 10^-1 in standard form?

Back

0.87

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the Pythagorean theorem?

Back

In a right triangle, a^2 + b^2 = c^2, where c is the hypotenuse.

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the distributive property?

Back

a(b + c) = ab + ac