Chapter 3 Review

How do you solve for the x-intercept of a graph given an equation?

• Plug in zero for y

• Plug in zero for x

• Isolate x

• Isolate y

How do you solve for the y intercept given an equation?

• plug in zero for x

• plug in zero for y

• isolate x

• isolate y

Graph the line

y=2x+1

Identify the y-intercept

y=2x+1

• 2

• 1

• 1/2

• 0

Match the following transformations

• vertical translation down 3

• g(x) = 1/3(x)

• Horizontal translation left 1

• g(x) = (2x)

• horizontal compression by 1/2

• g(x) = x-3

• vertical compression by 1/3

• g(x) = (x+1)

What is the formula for​ calculating simple interest?

​ (a)   =​ (b)   (1+​ (c)   ​ (d)   )

• A
• P
• r
• t

Describe the transformations of the graph of g(x) = -|x-2| +4

Horizontal translation: ​ (a)  

Vertical Translation: ​ ​ (b)  

Dilation: ​ (c)  

Reflection: ​ (d)  

• right 2
• None
• up 4
• left 2
• Horizontal Compression
• none
• across x-axis
• across y-axis

Identify which kind of transformation each equation is

Groups:

(a) Horizontal Dilation

,

(b) Vertical Translation

,

(c) Horizontal Translation

,

(d) Vertical Dilation

• g(x) = |2x|

• j(x) = x-2

• w(x) = 1/2(x)

• b(x) = (x+2)

What is the slope of the line passing through

(3,2) and (0,1)

• 0

• 1/3

• 1/2

• 1

What does P represent in A=P(1+rt) ?

• the amount of time

• The amount of money put in/deposited

• the amount made after interest

• the interest rate