Algebra 1 Unit

Identify the slope, y-intercept, and whether the line is increasing or decreasing. 

• Slope = 2
  Y-int = (0, -2/3)
  Increasing

• Slope = -2/3
  Y-int = (2, 0)
  Decreasing

• Slope = -2/3
  Y-int = (0, 2)
  Decreasing

• Slope = -2/3
  Y-int = (2, 0)
  Decreasing

Identify the slope, y-intercept, and whether the line is increasing or decreasing. 

• Slope = -9
  Y-int = (0, 2)
  Decreasing

• Slope = -9
  Y-int = (0, 2)
  Increasing

• Slope = 9
  Y-int = (0, 2)
  Decreasing

• Slope = 2
  Y-int = (0, -9)
  Increasing

Solve for y: 
2y + 7 = 11

• y = 2

• y = 1

• y = 9

• y = 4

Solve the inequality.
-3x + 4 > -23

• x>9

• x>-9

• x<-9

• x<9

Solve the inequality.

• a > 4

• a > 2

• a > 6

• a < 6

Solve for x:
6(2x + 1) = 18

• 3

• 17/12

• 1

• 2

Solve for x:
-7x + 15 ≥ -20

• x ≥ -5

• x ≤ -5

• x ≥ 5

• x ≤ 5

Match the graph with its inequality.

• 11 < a

• 11 > a

•  11 ≤ a

•  11 ≥ a

Identify the slope, y-intercept, and whether the line is increasing or decreasing. 

• Slope = -1/4
  Y-int = (0, 8)
  Increasing

• Slope = 1/4
  Y-int = (0, 8)
  Decreasing

• Slope = 1/4
  Y-int = (0, 8)
  Increasing

• Slope = 8
  Y-int = (0, 1/4)
  Increasing

Which situation can be represented by
y = 17x - 8?

• The number of seeds, y, needed to feed 8 hamsters 17 seeds each.

• The earnings from a lemonade stand, y, selling glasses at 17 dollars each with $8 in the tip jar.

• The cost, y, of buying 17 movie tickets that sell for $8 each. 

• The cost, y, of buying Star Wars figurines at $17 each with an $8 discount.