Key Features & Graphs of Linear Functions, A.3C

Presentation

•

Mathematics

•

9th Grade

•

Medium

•

CCSS

8.EE.B.5, 8.EE.B.6, 6.EE.C.9

Standards-aligned

Margaret M Wilson

Used 6+ times

FREE Resource

10 Slides • 19 Questions

Key Features & graphs of Linear Functions
TEKS A.3C (R)

I can Identify x-intercepts, y-intercepts, and slope and graph linear functions.

Multiple Choice

Which equation is in Slope Intercept Form

m=x-b

y=b+x

y=mx+b

y=bx+m

Fill in the Blanks

Identify the y-intercept

$y=\frac{1}{2}x-7$

Write your answer as a number or a coordinate point.

Fill in the Blanks

Identify the slope

$y=\frac{1}{2}x-7$

Write your answer as a decimal or a fraction. Do not include m=

Multiple Choice

Which of the following equations has a y-intercept of 3 and a slope of 2/7?

1/2

$y=\frac{2}{7}+3x$

$y=3+\frac{2}{7}x$

Multiple Choice

b stands for the _____________ in the equation, y = mx + b.

y-intercept

Slope

x-intercept

Multiple Choice

"m" or "Slope" is the ___________ of the line

rate of change (Slope)

positive part

negative part

Multiple Choice

Solve for y:
3x + y = 12

y = -3x + 12

x = y + 4

x = y + 12

y = 3x - 12

What is the y-intercept?

The point at which the graph crosses the y-axis.
The x - coordinate is 0.

Multiple Choice

Y or f(x) is the ________ part of the equation

Output

Input

Multiple Choice

The x-intercept crosses the x-axis and the y-intercept crosses the y-axis.

True

False

Synonyms for X-Intercepts:

Multiple Select

The x-intercept of an equation is also called...

(select all the correct answers)

y-intercept

zero

solution

root

Match

Match the following

The coordinate where the function crosses the x-axis. At this point, y=0.

The coordinate where the function crosses the y-axis. At this point, x=0.

Measure of how STEEP a line is, can be found using rise/run

Slope-intercept form

Standard Form

x-intercept

y-intercept

SLOPE

y=mx+b

Ax+By=C

Slope of a Graph

Multiple Choice

Find the slope of the graph.

1/2

-1/2

2/1

-2/1

Multiple Choice

Find the slope of the graph

-3/4

4/3

3/4

-4/3

Always start at your y-intercept.

Plot (0,-7) on the y axis

To Graph a Linear Function

Start at your y-intercept, and use your slope to find the next point on the line!

For this point, we will go UP 1 and to the RIGHT 2.

m= 1/2

rise = 1
run = 2

Connect your two points with a straight line.

Keep Going!

Multiple Choice

What is the equation of the line?

y = 2x + 3

y = 2x + 5

y = -2x + 5

y = 1/2x - 5

Multiple Choice

What equation below matches the graph above.

y = x - 1

y = x + 1

y = 2x + 3

y = -x - 2

Graphing

Graph y = 3x + 7.

Graphing

Graph y = -4x + 3

Graphing

Graph y = 2x - 5

Poll

Are you Clear or Cloudy on this lesson?

I'm Clear. I could teach it to others.

I'm Cloudy. I should re-do this lesson.

Key Features & graphs of Linear Functions
TEKS A.3C (R)

I can Identify x-intercepts, y-intercepts, and slope and graph linear functions.

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