Question

For the polynomial mxsquare-2x+3,if p(-1)is equal to 7,then find m.

Answer 1

Answer:

p(x)= mx² -2x +3

put the value of x in the above equation.

p(-1)= m(-1)²-2(-1)+3

p(-1)= m+2+3

given that p(-1)=7

m+5=7

m=2