## anonymous one year ago Algebraic Expressions : Evaluate 3x - y^2 for x = -3/4 and y = -2/5

1. sepeario

Hi! Let me substitute it first and let's see if you can do some too. If we substitute the values we get: $3*\frac{ -3 }{ 4 }-(\frac{ -2 }{ 5 })^{^2}$

2. sepeario

Do you know how to evaluate that?

3. anonymous

you just multiply right?