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Pre-Algebra: Graphing and Solving Inequalities
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C Graphing and solving Inequalities symbol > < ex: 2 S -4-3-2 -3 -2 Name greater than less than greater than or equal to less than or equal to x>0 0 O V x > 0 2 2 3 3 7>6 4 45 Ð 4.-6.4 X > -24 · greater or less than signs use. open circles: 0 • greater or less than equal to signs use closed circles • x 6-7 sign not flipped 4 addition and subtraction : X+7713 -7 -7 -5 -4 -3 ← -S -4 x (3)--9 27 x < 0 = -3 -7x>63 x<0 -2 x≤27 multiplication and divison: • when dividing / multiplying by a negative number, the Inequality sign gets flipped. ex: 6x ≤ -42 -2 9 x -B X-8²-19 +8 +8 x ≤ -11 O O " I (-8) 5x flipped 2 3 3 S sign gets flipped when dividing by negative inequalities don't. Switch when subtracting. or adding a negative. number two- step inequalities: 4x+1 ≤ 13 4x≤12 प x ≤ 3 4 -3x +2 > 11 -2 -2 -3779 -3 -3 x<-3 add, subtract first. divide graph: subtract 1 ← O < (+ divide & switch signs graph: -1 0 2 -3 • -2 3 -1 u O S 1 10 2
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Pre-Algebra: Graphing and Solving Inequalities
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Save
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Notes on how to solve one-step and two-step inequalities using multiplication/division and addition/subtraction, as well as how to graph inequalities on a number line.
Notes on how to solve one-step and two-step inequalities using multiplication/division and addition/subtraction, as well as how to graph inequalities on a number line.
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C Graphing and solving Inequalities symbol > < ex: 2 S -4-3-2 -3 -2 Name greater than less than greater than or equal to less than or equal to x>0 0 O V x > 0 2 2 3 3 7>6 4 45 Ð 4.-6.4 X > -24 · greater or less than signs use. open circles: 0 • greater or less than equal to signs use closed circles • x 6-7 sign not flipped 4 addition and subtraction : X+7713 -7 -7 -5 -4 -3 ← -S -4 x (3)--9 27 x < 0 = -3 -7x>63 x<0 -2 x≤27 multiplication and divison: • when dividing / multiplying by a negative number, the Inequality sign gets flipped. ex: 6x ≤ -42 -2 9 x -B X-8²-19 +8 +8 x ≤ -11 O O " I (-8) 5x flipped 2 3 3 S sign gets flipped when dividing by negative inequalities don't. Switch when subtracting. or adding a negative. number two- step inequalities: 4x+1 ≤ 13 4x≤12 प x ≤ 3 4 -3x +2 > 11 -2 -2 -3779 -3 -3 x<-3 add, subtract first. divide graph: subtract 1 ← O < (+ divide & switch signs graph: -1 0 2 -3 • -2 3 -1 u O S 1 10 2
C Graphing and solving Inequalities symbol > < ex: 2 S -4-3-2 -3 -2 Name greater than less than greater than or equal to less than or equal to x>0 0 O V x > 0 2 2 3 3 7>6 4 45 Ð 4.-6.4 X > -24 · greater or less than signs use. open circles: 0 • greater or less than equal to signs use closed circles • x 6-7 sign not flipped 4 addition and subtraction : X+7713 -7 -7 -5 -4 -3 ← -S -4 x (3)--9 27 x < 0 = -3 -7x>63 x<0 -2 x≤27 multiplication and divison: • when dividing / multiplying by a negative number, the Inequality sign gets flipped. ex: 6x ≤ -42 -2 9 x -B X-8²-19 +8 +8 x ≤ -11 O O " I (-8) 5x flipped 2 3 3 S sign gets flipped when dividing by negative inequalities don't. Switch when subtracting. or adding a negative. number two- step inequalities: 4x+1 ≤ 13 4x≤12 प x ≤ 3 4 -3x +2 > 11 -2 -2 -3779 -3 -3 x<-3 add, subtract first. divide graph: subtract 1 ← O < (+ divide & switch signs graph: -1 0 2 -3 • -2 3 -1 u O S 1 10 2
Can't find what you're looking for? Explore other subjects.
Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User