Consider the following regular decagon. choose the correct cards to fill in the blanks below

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)

Y=4x^2+x-1 solve using quadratic formula

What is the value of x? enter your answer in the box. (cm)