Eliminate the parameter. x = t^2 + 1, y = t^2 - 1

Answer Choices:
y = x + 2, x ≥ 1
y = x - 2, x ≥ 1
y = x^2 - 2, x ≥ 1
y = x^2 + 2, x ≥ 1

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

What is a correct first step in solving the inequality-4(3-5x)> -6x+9