exam Maths Puzzle Numerical Ability

Can some one help me with a real life example of a quadratic function with two values of x while finding the corresponding y for both? thanks

Read Solution (Total 0)

exam Other Question

1. Carol spent a total of $20.55 on stamps. She bought 35 thirteen-cent stamps and the rest were twenty-cent stamps. How many twenty-cent stamps did she buy. Need to reverse th Solve using the quadratic formula

x^2-3x=7x-2