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madam [21]
2 years ago
7

PLS HELP

Mathematics
2 answers:
rosijanka [135]2 years ago
5 0
  • y=7x²-2x-5
  • y=7x²-7x+5x-5
  • y=7x(x-1)+5(x-1)
  • y=(7x+5)(x-1)

Option B

Igoryamba2 years ago
4 0

Answer: y = (x - 1) (7x + 5)

Step-by-step explanation:

y = 7x² - 2x - 5     Use the slip and slide method.

y = x² - 2x - 35    Factor

y = (x - 7) (x + 5)  Slide 7 back in, divide -7 by 7 to get -1. Slip 7 into (x + 5).

y = (x - 1) (7x + 5)

   

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Write an equation of the line passing through the points. Write the equation in general form.
Reika [66]

Answer: y=2x+8

Step-by-step explanation:

(2,12)=(x1,y1)

(-7,-6)=(x2,y2)

(y2-y1)/(x2-x1)=(-6-12)/(-7-2)=-18/-9=2=m

y=mx+b

y=2x+b

insert (2,12) to y=2x+b

12=2*2+b

12=4+b

8=b

y=2x+8

4 0
3 years ago
Put the equation in standard form.<br><br> y - 1 = -1/3 (x - 6)
Drupady [299]

Answer:

x + 3y = 9

Step-by-step explanation:

The equation of a line in standard form is

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Given

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Multiply through by 3 to clear the fraction

3y - 3 = - (x - 6) ← distribute parenthesis by - 1

3y - 3 = - x + 6 ( add x to both sides )

x + 3y - 3 = 6 ( add 3 to both sides )

x + 3y = 9 ← in standard form

3 0
3 years ago
The gas tank on a car holds 15.5 gallons. If the car goes 387.5 miles on a single tank, how many miles per gallon does the car g
Ostrovityanka [42]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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arsen [322]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Simplify each expression as much as possible, and rationalize denominators when applicable. . √54x^2=?
JulijaS [17]

Answer:

\sqrt{54x^{2}} = 3x\sqrt{6}

Step-by-step explanation:

We have

\sqrt{54x^{2}} this equals to

\sqrt{3.3.3.2.x^{2} }  now we try to agrupate to have exponent of 2 that we can cancel

\sqrt{3^{2}.3.2x^{2}}  we can take out the ones with exponent from the root

3x\sqrt{3.2} \\= 3x\sqrt{6}

3 0
3 years ago
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