Solving a system of equations

Calculating the area of a triangle

Determining the equation of a linear function with a given slope and point

Finding the equation of a quadratic function

The y-intercept

The x-coordinate

The slope of the line

The midpoint of the line

The change in y divided by the change in x

The product of x and y coordinates

The difference between x and y coordinates

The sum of x and y coordinates

A spreadsheet

A ruler

A live grapher

A calculator

Measuring the distance from the origin

Using the slope to move from a given point

Drawing a perpendicular line

Calculating the midpoint

The slope was incorrect

The graph was too small

The line was not straight

The y-intercept was not exactly at an integer

Solving a system of equations

Substituting the given point into the slope-intercept form

Using the midpoint formula

Using the quadratic formula

y = 4x - 3

y = 3x + 4

y = -3/4x + 9/4

y = -4/3x + 10

8.5

10

9

9.75

It is the x-intercept

It is the midpoint of the line

It is a point through which the line passes

It is the y-intercept