Math Review 8th

Front

What is the equation for the total cost of renting a truck if the rental fee is $30 and the hourly rate is $8.25?

Back

y = 8.25x + 30, where y is the total cost and x is the number of hours rented.

Front

Back

Front

If Casey travels 3 miles west and then 4 miles north, what is the total distance she traveled?

Back

Total distance = 3 miles + 4 miles = 7 miles.

Front

Given the ordered pairs (2, 5), (6, 7), and (k, 11), how do you find the value of k?

Back

Use the slope formula to find k. The slope between (2, 5) and (6, 7) is the same as between (6, 7) and (k, 11).

Front

What is the height reached by a 30 ft ladder placed 8 ft from the base of a house?

Back

Front

Define a linear function.

Back

A linear function is a function that graphs to a straight line, represented by the equation y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the formula for the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

Front

What is the Pythagorean theorem?

Back

Front

Back