To the Pythagorean Theorem Rapids
For the following right triangle, find the side length x.
20
21

Which expression is equivalent to 2x^2+7x+4?

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°