8th Grade Math STAAR Fluency

What is the rule for translations?

• (x , y) → (x ± a, y ± b)

• (x , y) → (-x , y)

• (x , y) → (x , -y)

• (x , y) → (y , -x)

What happens to the coordinates (x, y) when reflected across the x-axis?

• (x, y) → (x, -y)

• (x, y) → (-x, y)

• (x, y) → (-x, -y)

• (x, y) → (y, x)

What happens to the coordinates (x, y) when reflected across the y-axis?

• (x , y) → (x ± a, y ± b)

• (x , y) →(-x , y)

• (x , y) →(x , -y)

• (x , y) →(y , -x)

What do we know about the hypotenuse?

• It is the shortest side of a triangle

• It is the longest side of a right triangle

• It is equal to the base of the triangle

• It is the same length as the other sides

What is the rule for dilations?

• (x , y) → (-y, x)

• (x , y) → (kx , ky)

• (x , y) →(x , -y)

• (x , y) → (y , -x)

What is the rule of coordinates (x, y) when rotated 90° clockwise?

• (x , y) → (-y, x)

• (x , y) → (-x , y)

• (x , y) →(x , -y)

• (x , y) → (y , -x)

What is the rule of coordinates (x, y) when rotated 180° clockwise?

• (x , y) → (-y, x)

• (x , y) → (-x , y)

• (x , y) →(-x , -y)

• (x , y) → (y , -x)

What is the rule of coordinates (x, y) when rotated 270° clockwise?

• (x , y) → (-y, x)

• (x , y) → (-x , y)

• (x , y) →(-x , -y)

• (x , y) → (y , -x)

What is the difference between B and b?

• B is the area of the base, b is the measurement of the base

• B is the measurement of the base, b is the area of the base

What is the goal when solving equations?

• To isolate the variable

• To create more equations

• To eliminate all variables

• To graph the equation