Algebra Linear Functions Review

y = 4x + 5

Given the point (1, 9) and the slope 4, write the equation in slope intercept form

m = 2

Given the points (1, 3) and (−3, −5), find slope.

3

In the equation y = 3x + 7, the slope is _______________

y-intercept

In the equation, y = mx + b, the b stands for _____________

Slope

In the equation, y = mx + b, the m stands for _____________

−6

In the equation, y = −2x − 6, the y intercept is _____________

y = mx + b

The slope intercept form of a linear equation is ____

m = 0

What is the slope of a horizontal line?

m = 1/2

What is the slope of a line that goes through (3, -5) and (-1, -7)?

undefined slope

What is the slope of a vertical line?

m = -2

What is the slope of the line: -4x - 2y = 16

m = -7

What is the slope of the line: 7x + y = 13

m = -1

What is the slope of the line: y = 17 - x

b = 4

What is the y-intercept of the line: y = -4x + 4?

The slopes are the same. The slopes of lines m and n are both m = 1/3.

What is true about the slopes of parallel lines?

The slopes are opposite reciprocals of each other. Their product is equal to -1.

What is true about the slopes of perpendicular lines?

B. 6x + 4y = 24

Which equation has a slope of -3/2? A. -3x + 2y = -12 B. 6x + 4y = 24 C. y = 7x - 3/2

y = 3x - 2

Write an equation in slope intercept form for the line that passes through (0, −2) has a slope of 3.

y = -3x + 7

Write an equation in slope-intercept form that passes through the points (-1, 4) and (1, -2).

y = x + 5

Write an equation in slope-intercept form that passes through the points (2, 7) and (5, 10).

y = −1/2x + 3

Write the equation in slope intercept form: 2x + 4y = 12

1. Put the y-intercept at 2 on the y-axis. 2. Rise by 1, run by 3. Put a point. 3. Draw a line!

Write the steps to graph y = 1/3 x + 2 using the slope and the y intercept.