STAAR Review

Which of these transformations preserve congruency?

• Dilation

• Translation

• Rotation

• Reflection

Which rule shows a dilation that shrinks a figure?

• (x,y) ---> (x + 3, y + 3)

• (x,y) ---> (x - 3, y - 3)

• (x,y) ---> (3x, 3y)

• (x,y) ---> (1/3 x, 1/3 y)

What is the value of the y-intercept?

• 8

• -2

• 5

• 0

What is the solution to this system of equations?

• ( -3, 3)

• ( -6, 6)

• ( 3, 5)

• ( 0, 4)

• ( -4, 0)

Which of these graphs shows a linear relationship?

• A

• B

• C

• D

What is the formula for Lateral Surface Area of this figure?

Which of the following linear equations shows a slope of zero?

• F

• G

• H

• J

Bases on the graph, what is the profit in dollars per box?

• $30 per box

• $7.50 per box

• $10 per box

• $12.50 per box

What happened to the original figure?

• it was translated 3 units up and 2 units to the left

• A rotation of 90 degrees clockwise

• A dilation with a scale factor greater than 1

• A dilation with a scale factor less than 1

What is the meaning of a principal (Investments)?

• The amount of money at the start of an investment

• The amount of interest after x amount of years being invested

• The amount of money in an account after x amount of years being invested

• potato