3/8 Practice

Decided if each is a function or not. Choose yes or no for each.

Choose ALL that represent a function.

Plot the following points.

(0,0)

(-2,3)

(-4,-7)

(1,5)

(4,-6)

HOY stands for

H​ (a)  

O​ (b)  

Y​ (c)  

• Horizontal
• Zero Slope
• y=
• Vertical
• Undefined Slope
• x=

VUX stands for

V​ (a)  

U​ (b)   ​

X​ (c)  

• Vertical
• Undefined Slope
• x=
• Horizontal
• Zero Slope
• y=

Label the features of the quadratic shown.

e

f

g

d

c

Axis of Symmetry

All Real Numbers

Vertex

Zeros

Write the equation in slope intercept form of a line passing through (-1,-9) and (4,6).

Slope intercept form: y=mx + b

Mathematical Equivalence

ON

Write the equation in slope intercept form of a line passing through (-3,7) and (5,-9).

Slope intercept form: y=mx + b

Mathematical Equivalence

ON

• 12

• f(8)

• 24

• f(2)

• -12

• f(-4)

• 33

• f(-7)

• 6

• f(0)

Label the lines correctly.

e

f

g

h

y=8

x=3

y=3

x=8

y=-3

x=-3

x=-4

y=-4