Vocabulary
Missing Angles
Midpoint & Distance Formulas
Equations of Lines
Slope
100

An angle which measures less than 90 degrees.

What is an acute angle?

100

Angle 1 and Angle 3 are vertical angles, so their angle measures are this.

What is congruent?

100

XY = 39  YZ = 60   Find XZ

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X              Y          Z

What is 99?

100

x + y = -6 in slope intercept form.

What is y = -x - 6?

100

The sign of the slope if a line goes down from left to right.

What is negative

200

Two lines that intersect at a 90 degree angle

What are perpendicular lines

200

Angle 2 & Angle 4 are complementary angles. Angle 2 measures 30 degrees. What does angle 4 measure?

What is 60 degrees

200

If YZ = 28  and XZ = 40  Find XY

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X           Y                      Z

What is 12?

200

2x + 8y = -8 in slope intercept form

What is y = -1/4 x - 1?

200

The slope of every vertical line

What is undefined?

300

Points that lie on the same line

What is colinear?

300

Angle 1 & Angle 2 are supplementary angles. If angle 1 measures 77 degrees, what does angle 2 measure

What is 103 degrees

300

Y is the midpoint of XZ. This is the value of x

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            x + 40                            2x -  8

X                                Y                                    Z

What is 48?

300

Slope intercept form of the line with slope of 3 and y-intercept -1.

What is y = 3x -1?

300

The slope of a line that passes through the points     (2, 4) and (-3, 4)

What is 0?

400

Two angles with measures that add to 180 degrees

What are complementary angles?

400

If angle 1 and angle 3 are vertical angles and angle 1 is x+20 and angle 3 is 2x - 80, angle 3 measures this.

What is 120 degrees.

400

The distance between AB given A(-4, 1) and B(3, -1)

What is square root of 53 or about 7.3?

400

The equation of the line that is parallel to the x-axis that passes through the point (0, 2)

What is y = 2?

400

The slope of the line which passes through the points (-2, 4) and (-3, 5)  

What is - 1?

500

Two angles that share a common vertex and side

What are adjacent angles?

500

Angle 2 and angle 4 are same side interior angles. Angle 2 is x degrees.  Angle 4 is x + 50 degrees. Find the measure of the larger angle.

What is 105 degrees?

500

The midpoint of XY given x (10, -3) and y (2, 9)

What is (6, 3)?

500

The equation of the line that is parallel to the y-axis and that passes through the point (-5, 0)

What is x = -5?

500

Find the slope of the line perpendicular to the line 

y = -4x + 5

What is 1/4?