Line QR goes through points Q(0, 1) and R(2, 7). Which equation represents line QR? y – 1 = 6x
y – 1 = 3x
y – 7 = 2x – 6
y – 7 = x – 2

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

Can (2,3 and square root 10) be sides ona right triangle?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x