7th Grade Semester 1 Exam Review

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle is given by the formula P = 2(length + width).

Front

What does the distributive property state?

Back

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

Front

How do you simplify the expression -5(-5 + 2k) using the distributive property?

Back

The simplified expression is 25 - 10k.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

If Will spent $3.75 for 3 pounds of granola, how do you find the unit rate?

Back

Divide the total cost by the number of pounds: $3.75 ÷ 3 = $1.25 per pound.

Front

What is the solution to the equation 3.5(8x - 6) = 21?

Back

The solution is x = 1.5.

Front

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

Back

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

Front

How do you find the equation of a line given a table of values?

Back

Identify the slope (change in y/change in x) and use a point to find the y-intercept.

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio.

Front

What is the equation for a line with a slope of 3 that passes through the origin?

Back

The equation is y = 3x.