Ask a New Question

Application of Quadratic Equations.

A girl's age in 12 years' time is the square of her present age. Find her present age.

1 answer

(x+12) = x^2

x^2 -x -12 = 0
(x-4)(x+3) = 0

x = 4 or -3

Sha can't have a negative age, so what does that leave you with?

Ask a New Question or answer this question.

Similar Questions

I'm in Algebra 1 this year and I really need help solving these equations.Completing the square 1)c^2-7c= -12 2)x^2-2x-8= 0
1. 0 answers
Application of Quadratic EquationsThe base of a triangle is longer than twice its corresponding height by 1 cm. The area of the
1. 1 answer
find a real-life application of a quadratic function. State the application, give the equation of the quadratic function, and
1. 1 answer
Quadratic equations can be solved by graphing,using the quadratic formula, completing the square, and factoring. What are the
1. 1 answer

more similar questions