
Linear Equations Part 2
Presentation
•
Mathematics
•
9th Grade
•
Medium
+1
Standards-aligned
Tara Palmer
Used 1+ times
FREE Resource
8 Slides • 22 Questions
1
Linear Equations
Part 2
2
Multiple Choice
Point-Slope Form
Slope-Intercept Form
Standard Form
3
Multiple Choice
Point-Slope Form
Slope-Intercept Form
Standard Form
4
Multiple Choice
Point-Slope Form
Slope-Intercept Form
Standard Form
5
How do you know which one to choose?
Slope-Intercept Form
Point-Slope Form
Standard Form
6
Point-Slope Form
2 pieces of information: A Point and a Slope
(x1 , y1) and ′m′
(−1, −2), slope = −1
y−(−2)=−1(x−(−1))
y+2=−1(x+1)
7
Slope-Intercept Form
slope and y−intercept
m, (0, y)
y=−2x+4
m=−12 and y−int (0, 4)
8
Standard Form
Helps find Intercepts Quickly
Ax+By=C
4x+12y=24
x−intercept (x, 0)
y−intercept (0, y)
9
Poll
y=2x−3 Which method would you use to graph the problem?
Point-Slope
Slope-Intercept
Standard Form
10
Poll
2x+10y=5 Which method would you use to graph the problem?
Point-Slope
Slope-Intercept
Standard Form
11
Poll
y−3=5(x−2) Which method would you use to graph the problem?
Point-Slope
Slope-Intercept
Standard Form
12
Multiple Choice
3x+4y=12
Which graph best represent the following equation?
13
Multiple Choice
(10, 2) and (−9, 7)
What is the slope of the two given points?
1
5
−195
195
14
Multiple Choice
Write the equation of the line in Point-Slope form that goes through the point (10,5) and has a slope of -3
y−5=−3(x−10)
y=−3x+35
y+5=−3(x+10)
y=−3x−35
15
Parallel Lines
Same Slope-Different y-intercepts
16
Multiple Choice
Does the graph represent parallel lines?
Yes
No
17
Multiple Choice
y=−2x−2
Find the slope of a line parallel to function:
y=−21x+2
y=21x+2
y=−2x+5
y=−x+6
18
Multiple Choice
Which two equations below are parallel?
y=2x+1 and y=−21x+1
y=2x+3 and y=−2x+3
y=2x−1 and y=21x−1
y=−x+4 and y=−x+2
19
Multiple Choice
Which equation is parallel to: y=75x+2
y=−57x+1
y=57x+4
y=−75x−3
y=75x+5
20
Multiple Choice
Which of the following equations has a graph PARALLEL to the line y=4x+7
and has an x-intercept of -2?
y=4x−2
y=4x+8
y=27x+7
y=−41x+21
21
Multiple Choice
Which of the following lines is PARALLEL to the graph of 5x+2y=8 ?
2x+5y=8
5x−2y=6
−10x−4y=7
−10x+4y=9
22
Perpendicular Lines
form 90 degree angles and have opposite reciprocal slopes
23
Multiple Choice
What is the slope perpendicular to the equation: y=4x+3
4
4x
41
24
Multiple Choice
m=85
What slope is perpendicular to:
−85
85
−58
58
25
Multiple Choice
y=23x+2
y=32x+6
These lines are...
Parallel
Perpendicular
Neither
26
Multiple Choice
y=−32x+2
y=23x+9
These lines are...
Parallel
Perpendicular
Neither
27
Multiple Choice
Are the lines parallel, perpendicular, or neither?
5x+4y=8 y=54x−3
Parallel
Perpendicular
Neither
28
Multiple Choice
Are the lines parallel, perpendicular, or neither?
y=4x+7 y=−41x+2
Parallel
Perpendicular
Neither
29
Multiple Choice
Slopes of perpendicular lines are...
opposite reciprocals
the same
opposite
always 7
30
It's a beautiful Day!
Have a great day ;)
Linear Equations
Part 2
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