Ronnie buys 2 pairs of shoes for $50. Write an equation relating the total cost y to the number of pairs of shies x

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

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x