4. Linear functions

4.01 Review: Slope as rate of change

4.02 The slope formula

4.03 Transformations of y=x

Investigation: Exploring slopes and equations of lines

4.04 Slope-intercept form

4.05 Standard form

Investigation: Relationship between shoulder span and height

4.06 Point-slope form

4.07 Graphical solutions to linear equations or inequalities

4.08 Graphing linear inequalities in two variables

4.09 Modeling linear relationships

4.10 Comparing linear relationships

4.11 Equations of parallel and perpendicular lines

4.12 Graphs and characteristics of absolute value functions

United States of America TX

Algebra 1

4.04 Slope-intercept form

Interactive practice questions

Consider the equation $y=-7-\frac{4x}{3}$y=−7−4x3.

a

State the slope of the line.

b

State the $y$y-value of the $y$y-intercept.

Easy

1min

What does $b$b stand for in the equation of a line $y=mx+b$y=mx+b?

Easy

< 1min

State the slope and $y$y-intercept of the line with equation $y=9+6x$y=9+6x.

Easy

< 1min

State the slope and $y$y-intercept of the equation $y=-x$y=−x.

Easy

< 1min

Outcomes

A1.2.B

Write linear equations in two variables in various forms, including y = mx + b, ax + by = c, and y - y1 = m(x - x1), given one point and the slope and given two points

A1.3.A

Determine the slope of a line given a table of values, a graph, two points on the line, and an equation written in various forms, including y = mx + b, ax + by = c, and y - y1 = m(x - x1)

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