Review of Formulas 8th Grade

Review of Formulas 8th Grade

Multiple Choice

What is the slope formula?

Multiple Choice

What is the slope of the line that passes through the points (4, 9) and (1, 6)?

• 1

• -3

• 3

• -1

Multiple Choice

What does "m" stand for in the slope formula?

• y axis

• slope

• y coordinate

• x coordinate

Linear Equations

• A linear equation in an equation that forms a straight line when graphed on a coordinate plane.

• Slope Intercept Form is a type of linear equation in the form of y=mx+b, where m is the slope and b is the y-intercept.

Multiple Choice

In the equation y=mx+b, what does the m represent?

• slope
• y-intercept
• linear
• point-slope

Multiple Choice

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

Multiple Choice

Write a linear equation in slope intercept form of a line with a slope of 12 and y intercept of 10

• y=12x-10

• y=10x+12

• y=12x+10

• x=10x-12

Multiple Choice

The slopes of parallel lines are...

• the same

• opposite

• always different

Multiple Choice

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

• Parallel
• Perpendicular
• Neither

Pythagorean Theorem Formula:

• a² + b² = c²

• "a" and "b" are legs

• "c" is the hypotenuse (always opposite of the right angle)

Multiple Choice

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Multiple Choice

What is the longest side of a right triangle called?

• Leg A
• Leg B
• Hypotenuse
• Pythagoras' Big Buddy

Multiple Choice

If a right triangle has side lengths 6, 6.7 and 3, which side is the hypotenuse?

• 6

• 6.7

• 3

• 15.7

• None of them

Multiple Choice

Which statement best describes the difference between area and volume?

• Area is the distance around a shape, and volume is the amount of area shape covers.
• Area is the number of square units needed to cover a plane figure, and volume is the number of unit cubes needed to fill a solid figure.

Multiple Choice

What is the formula for the area of a circle?

• A = π r ³

• A = 1/3 π r ²

• A = π r ²

• A = l w h

Multiple Choice

What does the "B" in the volume formula V = Bh stand for?

• Bottom of the object
• Box
• Between
• Area of the base

Multiple Choice

What is the formula for the volume of a cylinder?

• V = 1/3 π r ² h

• V = 4/3 π r ³

• V = π r ²

• V = π r ² h

Multiple Choice

What is the formula for the volume of a cone?

• V = π r ² h

• V = 1/3 π r ² h

• V = π d

• V = π r ²