Ch 3.1 Graphing Linear Equations

Ch 3.1 Graphing Linear Equations

Standard Form

Poll

How was your weekend?

• Fantasitic

• Nice

• Restful

• Okay

• Bad

How to access your textbook....

Linear Equations

Is an equation that forms a line when it is graphed.

Multiple Choice

What graph represents a linear equation?

Standard Form

•  $Ax+By=C$  

•  $A$  is not negative

•  $A\ and\ B$  can not both be negative

•  $A\ and\ B$  are coefficents

•  $C\$  is constance

Multiple Choice

Determine whether

 $y=4x-5$  is a linear equation. Write the equation in standard form.

• Linear equations;  $y=4x-5$  

• not a linear equation

• linear equation;  $4x-y=5$  

• linear equation; $-4x+y=-5$  

Multiple Choice

Determine whether

 $8y-xy=7\$  is a linear equation. Write the equation in standard form

• not a linear equation

• linear equation; $8y-xy=7$  

• linear equation;  $8y=7+xy$  

• linear equation;  $8y-7=xy$  

X-Intercept

The x-coordinate of the point at which the graph of an equation crosses the x-axis

Y-Intercept

The y-coordinate of the point at which the graph crosses the y-axis .

Multiple Choice

Identify the graph with a x-intercept of 3 and a y-intercept of - 1

Multiple Choice

Identify the y-intercept of the graph.

• (0, 3)

• (-1, 0)

• (0, -1)

• (3, 0)

Multiple Choice

Identify the x-intercept of the graph.

• (-4, 0)

• (0, -2)

• (0, -4)

• (-2, 0