Algebra Quiz Problems # 11-20 2015

Which graph best represents the equation 4x+5y=-20

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A formula to find the angle measures of an isosceles triangle is shown.

180=2x+y

Which equation can be used to find x?

• x=180-y/2

• x=180+y/2

• x=90-y

• x=90+y

Which equation represents the line that passes through the points (-4,4) and (8,-2)?

• y=-2x+14

• y=-2x-4

• y=-1/2x+2

• y=-1/2x-2

For which system of inequalities is (-3,1) a solution?

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What is the solution to this system of equations?

{2x+4y=22

{7x+y=12

• (3,4)

• (2,-2)

• (1,5)

• (-1,6)

• (0,-4)

• (2,0)

• (-4,0)

• (0,8)

• (0,2)

What value of x makes this equation true?

3x-20=-2x

• -20

• -4

• 4

• 20

which equation best represents line m?

• y=-3x-4

• y=-1/3x-4

• y=1/3x-4

• y=3x-4

• Step 1

• Step 2

• Step 3

• Step 4

• Step 5

• -51/9

• -27

• -17

• 9