How would you write the equation of a line with a slope of 2/3 and a y-intercept of -3?

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• y = (3/2)x + 3

• y = (2/3) - 3

• y = (2/3)x - 3

• y = (2/3)x + 3

Write the equation of a horizontal line through the point (2, 4).

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• x = 2

• y = 2

• x = 4

• y = 4

Write the equation of the line with slope -2 passing through the point (7, −1).

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• y = −2x + 15

• y = −2x − 15

• y = −2x + 13

• y = −2x − 13

Write the equation of the line with slope 3/5 passing through the point (20, 6).

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• y = 3/5x − 6

• y = 3/5x +18

• y = 3/5x − 18

• y = 3/5x + 6

Write the equation of the line through the points (8, −7) and (−2, 8).

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• y = 3/2x + 11

• y = −3/2x + 11

• y = −3/2x + 5

• y = 3/2x − 19

Which system of equations represents the graph?

• y = -3/5x - 3
  y = 3x - 3
• y = - 5/3 x + 3
  x - 3y = 9

Tags

CCSS.8.EE.C.8B

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.12

Solve using substitution.

2x - 2y = 2

y = -5x + 14

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• (4, 5)

• (2.5, 1.5)

• (1.5, 5)

• (1, 2.25)

Your family goes to a southern style restaurant for dinner. There are 6 total people in your family. Some order chicken for $14 and the rest order steak for $17. The total bill is $99. Write a system that could represent this situation.

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• c + s = 6

  14c + 17s = 99

• c + s = 99

  14c + 17s = 6

• c + s = 6

  17c + 14s = 99

• c + s = 99

  17c + 14s = 6

Solve by elimination

2x+9y= -7

6x-3y= 9

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• (-1, -1)

• (2,-1)

• (1,1)

• (1,-1)