What is the slope?

Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

State one method by which you can recognize a perfect square trinomial.