22-a +11=0
22–20+15=0
22–20+10=0
02-2+12=0
a=1=114
151747
11743
a=1+31
match each quadratic equation with its roots

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.