Unit 3 Review

Front

What does the variable 'b' represent in the linear equation y=mx+b?

Back

The variable 'b' represents the y-intercept of the linear equation.

Front

What is the longest side of a right triangle called?

Back

The longest side of a right triangle is called the hypotenuse.

Front

If Ted's Taxi service charges a $5 pick up fee plus $2 per mile, what equation represents the total cost 'y' in terms of miles 'x'?

Back

The equation is y=2x+5.

Front

If Casey travels directly west to the bank and then directly north to the mall, how do you calculate her total distance traveled?

Back

Add the distance traveled west and the distance traveled north.

Front

Do the segment lengths 15, 12, and 9 form a right triangle?

Back

Yes, they form a right triangle.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is A = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed.

Front

What does 'm' represent in the linear equation y=mx+b?

Back

The variable 'm' represents the slope of the line.

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.