Algebra 1 Final Review Part 1

Front

What is the least common denominator (LCD) of 1/3 and 2/9?

Back

The least common denominator of 1/3 and 2/9 is 9.

Front

Solve for a: -0.6a = 42

Back

a = -70.

Front

Use the distributive property to solve: -5(3a + 6 - 7b)

Back

-15a - 30 + 35b.

Front

What is any number to the power of 0?

Back

Any number to the power of 0 is always 1.

Front

Calculate: (-5)^2

Back

(-5)^2 = 25.

Front

What is the definition of a variable in algebra?

Back

A variable is a symbol used to represent an unknown value.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the formula for the slope of a line?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables.

Front

What is the quadratic formula?

Back

The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a).