8.5 D2 Intercept/Factor Form

​8.5 D2 Intercept/Factor Form

​Learning Target

Multiple Choice

What is the slope of the line $$x=2y+3?$$

• 4
• 3/2
• 1/2
• 2

Multiple Choice

What is the value of x in the solution for the system of equations below?

$$2x+5y=20\ and\ 6x-\frac{1}{2}y=29$$

• 4

• 5

• 6

• 15

• 20

Multiple Choice

For all y, $$26y-\left(-10y\right)-3y\left(-y+3\right)=?$$

• 10y

• $$-3y^2+25y$$

• $$3y^2+7y$$

• $$3y^2+25y$$

• $$3y^2+27y$$

​Example 1 

​Eq. in intercept form:

x-intercept:


Axis of symmetry (AOS)


Vertex:


y-intercept:

​Example 2 

​Eq. in intercept form:

x-intercept:


Axis of symmetry (AOS)


Vertex:


y-intercept:

Graphing

Graph: $$f\left(x\right)=x^2-9$$