Algebra I STAAR EOC Interactive Item Types

• ax+by=c
  dx-ey=f
• ax+by=c
  (a+e)x+(b+d)y=c+f
• ax+by=c
  (a+d)x+(b-e)y=c+f
• ax+by=c
  (a+2d)x+(b+2e)y=c+2f

• x = -2
• x = 10/7
• x = 2
• x = 4

• f(x) = 1.5x + 1
• f(x) = 2x + 2.5
• f(x) = 2.5x - 6
• f(x) = 3x + 2

1.

• $6,300

• $14,700

• $30,000

• $35,700

• 12s− 55 =127
• 55-12s =127
• 12s + 25 = 127
• 12s + 55 = 127

• 2
• 3
• 4
• 5

• A=1000(1-r)^x
• A=1000(1+r)^x
• A=1000(r-1)^x
• A=1000r^x

• decreases by 2y
• decreases by 32y
• increases by 14y
• increases by 18y

• If the x-value of a solution is positive, then
  the corresponding y-value is negative.
• If the x-value of a solution is negative, then
  the corresponding y-value is positive.
• There is no solution for which both the
  x-value and the y-value are integers.
• There is only one solution for which both
  the x-value and the y-value are integers.

Which describes the solution set for the inequality x > 3y - 2?

• Shaded above the solid line

• Shaded below the solid line

• Shaded above the dashed line

• Shaded below the dashed line