Graphing Standard Form

Graphing Standard Form

By Christopher Barric

2nd Point: Y-Intercept

1st Point: X-Intercept

Standard Form: Ax+By=C

3x+7y=21

On your whiteboard. Write down A, B, and C.
A=
B=
C=

Multiple Choice

What is the x-intercept?

3x+7y=21

Hint: Use your shortcut. $$\frac{C}{A}$$ =x.

(x,0)

• (7,0)

• (3,0)

• (0,7)

• (0,3)

Multiple Choice

What is the y-intercept?

3x+7y=21

Hint: Use your shortcut. $$\frac{C}{B}$$ =y.

(0,y)

• (7,0)

• (3,0)

• (0,7)

• (0,3)

Graphing

Graph the equation

3x+7y=21

-2x+6y=12

On your whiteboard. Write down A, B, and C.
A=
B=
C=

Multiple Choice

What is the x-intercept?

-2x+6y=12

Hint: Use your shortcut. $$\frac{C}{A}$$ =x.

(x,0)

• (-6,0)

• (-2,0)

• (0,-6)

• (0,-2)

Multiple Choice

What is the y-intercept?

-2x+6y=12

Hint: Use your shortcut. $$\frac{C}{B}$$ =y.

(0,y)

• (6,0)

• (2,0)

• (0,6)

• (0,2)

Graphing

Graph the equation.

-2x+6y=12

4x - 5y = -20

On your whiteboard. Write down A, B, and C.
A=
B=
C=

Multiple Choice

What is the x-intercept?

4x - 5y = -20

Hint: Use your shortcut. $$\frac{C}{A}$$ =x.

(x,0)

• (4,0)

• (-5,0)

• (0,-5)

• (0,4)

Multiple Choice

What is the y-intercept?

4x - 5y = -20

Hint: Use your shortcut. $$\frac{C}{B}$$ =y.

(0,y)

• (4,0)

• (-5,0)

• (0,4)

• (0,-5)

Graphing

Graph the equation.

4x - 5y = -20

Graphing

Graph the equation.

x + 8y = 8

Write down A, B, and C.

Use your shortcuts and graph the x and y intercepts.

Graphing

Graph the equation.

2x + y = 6

Write down A, B, and C.

Use your shortcuts and graph the x and y intercepts.