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Exam Math Questions and Answer Page 26

(#M40151210) EXAM QUESTION Keep an EYE

Solve each of these by graping. Thanks!!!

10. 2x-y=4
2x-y=6

12. x-2y=8
3x-2y=12

I appreciate your help!!!
McGraw Hill 6th edition, chapter 8.1

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(#M40151209) EXAM QUESTION Keep an EYE

Factor each polynomial, if possible cannot be factored ,write prime.

-49r^2+4t^2

and

4c^2-5d^2

If someone could help me with these two i think i can do the rest of my

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(#M40151208) EXAM QUESTION Keep an EYE

find any rational roots for the equation: x^4 + 3x^3 - x^2 - 9x - 6 = 0

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(#M40151206) EXAM QUESTION Keep an EYE

suppose that the width of a rectangle is 2 inches shorter than the length and that the perimeter of the rectangle is 80. set up an equation for the perimeter involving only L, the length of the rectangle.

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(#M40151205) EXAM QUESTION Keep an EYE

x= (1000) * [ (A-W) / (W) ] ### y= (1000) * [ (W-N) / (N)] ### z= (1000) * [ (A-N) / (N) ] Write z in terms of x and y. Is this even possible?

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(#M40151204) EXAM QUESTION Keep an EYE

Complete the square as an aid in graphing :

y = -x^2 + 2x + 2

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(#M40151203) EXAM QUESTION Keep an EYE

What is the quadratic function that has a vertex at (-1,-3) and a y-intercept of -4? I think the answer is y=-(x+1)^2-3. Can someone please let me know if I am correct?

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(#M40151202) EXAM QUESTION Keep an EYE

Solve the equation.
4(x + 6) = (4x + 24)

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(#M40151200) EXAM QUESTION Keep an EYE

) Geometry. For the floor plans given in Exercise 27 (p 627, but the necessary information to solve the problem is included here),

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(#M40151199) EXAM QUESTION Keep an EYE

Determine the center of the circle (x + 2)^2 + (y - 1)^2 = 16.

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