Illustrative math first semester review

Front

What is the result of translating the point X (-1, -5) 3 units to the left and 9 units down?

Back

(-4, -14)

Front

What is the equation of a horizontal line that passes through the point (0, 4)?

Back

y = 4

Front

If a triangle is dilated by a scale factor of 1/4, what happens to its size?

Back

The triangle becomes smaller, with each side being 1/4 of its original length.

Front

Translate the point A (2, 3) left 5 and down 1. What is the new location of point A?

Back

(-3, 2)

Front

What is the term for the point where a graph crosses the y-axis?

Back

Vertical Intercept

Front

If a point is translated 4 units to the right and 2 units up from (1, 1), what is the new point?

Back

(5, 3)

Front

What is the slope of a line that is vertical?

Back

Undefined

Front

What is the formula for finding the slope between two points (x1, y1) and (x2, y2)?

Back

Slope = (y2 - y1) / (x2 - x1)

Front

What does a scale factor of 1 mean in dilation?

Back

The shape remains the same size.

Front

If a line has a slope of 0, what type of line is it?

Back

A horizontal line.