Math 8 Ch. 2 Flashcard #2 Review

Front

What is the result of reflecting the point (-5,2) over the y-axis?

Back

(5,2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the value of x if the equation leads to x = 10?

Back

10

Tags

CCSS.6.EE.B.7

Front

When translating the point (x - 4, y), how many units does it move horizontally?

Back

4 units left

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What value of x proves that lines r and s are parallel when cut by a transversal?

Back

43 degrees

Tags

CCSS.8.G.A.5

Front

How do you find the measure of one interior angle in a regular polygon?

Back

Use the formula (n-2) * 180 / n, where n is the number of sides.

Front

What is the definition of a transversal in geometry?

Back

A transversal is a line that intersects two or more lines at different points.

Front

What happens to the coordinates of a point when it is translated 4 units left?

Back

The x-coordinate decreases by 4.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

How do you determine if two lines are parallel using angles?

Back

If corresponding angles are equal, the lines are parallel.

Tags

CCSS.8.G.A.5

Front

What is the definition of reflection in geometry?

Back

Reflection is a transformation that flips a figure over a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5