Download presentation

Presentation is loading. Please wait.

Published byEstefani Edgett Modified over 2 years ago

1
Unit 2 Inequality Quiz 2( 3n + 7) > 5n -3 (3x + 5) > -5 (2x – 2)

2
**Steps Writing Equations of a Line Y = mX + b Graph y = 1/2 x -2**

m = slope of line b = y intercept/ starting point (X,Y) = coordinates Graph y = 1/2 x -2 Steps 1. Plot 1st point on Y- intercept 2. Plot slope from 1st point 3. connect points with ruler 4. sign line at end X Intercept = Y Intercept =

3
**Y = 2/1 X -3 Steps Writing Equations of a Line Y = mX + b**

m = slope of line b = y intercept/ starting point (X,Y) = coordinates Y = 2/1 X -3 Steps 1. Plot 1st point on Y- intercept 2. Plot slope from 1st point 3. connect points with ruler 4. sign line at end

4
**How do we find slope without using a coordinate plane?**

Y2 - Y1 Slope= ______ ________ X2 - X1

5
**Y = m x + b Finding equation of a line with given slope and 1 point**

(0,4) Steps 1. Plug given points into equation. 2. Solve for b. 3. Write equation. Slope = 1/2 (2,1)

6
**Graph 6y < 6 x -12 Using table of values.**

X Intercept = Y Intercept = Test Point (0,0) and Shade

7
**Graph -3y > 1 x +9 Using table of values. y X X Intercept =**

Y Intercept = Test Point (0,0) and Shade

8
**Graph y > 1/2 x -2 Using a table of values.**

Graphing Inequalities Translate into equation 1. Y = 1/2 x - 2 2. Fill in table of values 3. Graph line 4. Shade after testing point Graph y > 1/2 x -2 Using a table of
values. X y X Intercept = Y Intercept =

9
How could we solve?? Is the point (3,5) on the line 3x + 2y = 1

10
**Madeline spent 120 minutes working on an English essay**

Madeline spent 120 minutes working on an English essay. On Tuesday, she spent 20 minutes
linger than on Monday, and on Wednesday, she spent rwice as long as she did on Tuesday. How
many minutes did she spend working on the essay each day if she finished on Wednesday?

12
**Given 2 points graph a linear equation**

Steps: x y x y (1, 3) (3,4) 1. Find Slope Y2 - Y1 Slope = ______ ________ X2 - X1 m= 2. Sub 1 point and slope into equation. 3. Solve for b b= 4. Rewrite equation in proper form. 5. Graph

13
Y= mx + b Graph y = 1/2 x -2 Plot x y Graph 2y -6 = 4x x y Plot

14
**m= m= b= b= Write in slope-intercept form. x + y = 12 4x -3y = 0**

Finding equation of a line with given slope and 1 point Slope = 2 (0, 4) Steps 1. Plug given points into equation. 2. Solve for b.

15
**Given 2 points graph a linear equation**

Steps: x y x y (1, 3) (3,4) 1. Find Slope Y2 - Y1 Slope = ______ ________ X2 - X1 m= 2. Sub 1 point and slope into equation. 3. Solve for b b= 4. Rewrite equation in proper form. 5. Graph

16
Graph the Equation y - 6 = 3( x - 4) y + 1 = 2( x - 5)

18
x y 1 2 2 4 3 6 4 8 Formal Definition of a Function A function relates each element of a set with exactly one
element of another set(possibly the same set). X Does Not Repeat x y 1 2 2 4 2 6 4 8 Domain = X Range=Y

19
**Write coordinates of each point listed**

B C D E A C E B D

20
Quadrants 1 2 3 4

21
State type of slope 1. 2. 3. 4. 3 2 1 4

22
**http://kutasoftware.com/FreeWorksheets/Alg1Worksheets/Slope%20From%20a%
20Graph.pdf**

23
**Find slope of line passing through given points.**

(-4,1) and (3,4) Steps 1.Plot points 2.Count rise over run M= Rise Run

24
**Find slope of line passing through given points.**

(1,1) and (3,-4)

25
**Finding Slope from an Equation**

Steps 1. Put equation in proper Y= MX +B form 2. Identify slope M = Slope B = Y intercept or Starting Point y = − 5 /2 x − 5 y = −4x − 1 2x − y = 1 −2y − x = 0 Finding slope from an equation

26
**Finding Slope without using a Graph**

Steps 1. Substitute Coordinates
into slope formula. 2. Solve for M. (slope) Y2 - Y1 ______ X2 - X1 M = X,Y X,Y ( 2 ,3 ) ( 4, 4) X,Y X,Y ( -2 ,3 ) (4, -4) X,Y X,Y (-27,36) (14, -47)

28
Graph the given line Y= 2x - 3 Make table for given line X Y

29
**1. Plug equation into calculator**

Determine if the given point is on the given line: X Y Y= 2X (1,4) Steps 1. Put equation in Y=mx+b form 2. Graph on coordinate plane 3. Check points or 1. Plug equation into calculator 2. Check points on table Or 1. Substitute Values of X and Y into
equation 2. Simplitfy Equation 3. Are both sides equal?

30
**1. Plug equation into calculator**

Determine if the given point is on the given line: X Y x = -4Y + 9 (1,2) Steps 1. Put equation in Y=mx+b form 2. Graph on coordinate plane 3. Check points or 1. Plug equation into calculator 2. Check points on table

31
Evaluate f(x) Given f(x) = 3x and g(x) = 1/2 x + 7, evaluate: 1. f (-3) 2. g (6)

32
Bonus 24 X X = -2 (4 + 7X)

Similar presentations

Presentation is loading. Please wait....

OK

Slope Intercept Form.

Slope Intercept Form.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on number system for class 10 Ppt on rainwater harvesting in india Best ppt on cybercrime and security Ppt on cloud service providers Ppt on blood stain pattern analysis expiration pattern Download ppt on live line maintenance training Ppt on power diode application Ppt on human body Ppt on time management skills Ppt on endangered species free download