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3 years ago

9

Sketch the graph of each linear inequality

1 answer:

eimsori [14]3 years ago

8 0

Firstly treat this a s an equation and do not worry about the < but pretend it is an =
Your scale is from -6 to 6 so using this you sub each x value into the equation to find the y value, e.g.
-6) sub in equation
-6/(5 x -6) - 1 = y
y = -0.8 so you can plot this point (-6,-0.8)

Then repeat this all the way up to 6 and plot the points on the graph then draw a line

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Y= x^2 -5 solve for x

dexar [7]

$Y= x^2 -5$

We need to solve for x, we need to get x alone

$Y= x^2 -5$

Lets start by removing -5

Add 5 on both sides

$y + 5= x^2 -5 + 5$

$y + 5= x^2$

Now to isolate x , we need to remove the square from x

To remove square , take square root on both sides

$+-\sqrt{y+5} = \sqrt{x^2}$

square and square root will get cancelled

$+-\sqrt{y+5} = x$

So $x = +\sqrt{y+5}$ and $x = -\sqrt{y+5}$

7 0

3 years ago

Which is a factor of 144 − 49x2?<br><br> 12 - 7x2<br> 72 – 7x2<br> 12 – 7x<br> 72 + 7x

Vinil7 [7]

Answer:

(12-7x)

Step-by-step explanation:

144 − 49x²

by observation, we can see that 144 = 12² and 49 = 7²

hence we can rewrite the equation

144 − 49x²

= 12² - 7²x²

= 12² - (7x)²

recall that the expression x² - y² = (x+y)(x-y)

hence,

12² - (7x)²

= (12 + 7x)(12-7x)

(12-7x) appears in the expression above, hence 12 -7x is a factor

5 0

3 years ago

Read 2 more answers

7y ÷ 2 = -2 what does y equal

schepotkina [342]

Answer:

y=-4/7

Step-by-step explanation:

7y/2=-2

multiply both sides by 2

7y=-4

divide both sides by 7

y=-4/7

8 0

3 years ago

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Julio is a junior ranger at the Rocky Mountain National Forest. It is his job to inform a group of middle school student visitor

irinina [24]

Answer:

A, D, E

Step-by-step explanation:

Sorry for being late

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3 years ago

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−3⋅f(−8)+7⋅g(2)= <br><br> I need help!

Eva8 [605]

Answer:

I think it would be 24 f + 14 g

3 0

3 years ago