Wednesday

March 4, 2015

March 4, 2015

Posted by **Crystal** on Friday, June 12, 2009 at 5:39pm.

I say no, but am still not sure because the signs are confusing. Am I correct? Thanks!

- Math -
**Reiny**, Friday, June 12, 2009 at 5:50pmlet's see if the point satisfies the equation

Left Side

= x^2 - y

= (-2)^2 - (-3)

= 4 + 3

= 7

Right Side = 7

Mmmmhhh?

- Math -
**Crystal**, Friday, June 12, 2009 at 5:51pmI guess this makes sense but I got -1 for the answer. Did I confuse the signs?

- Math -
**Ms. Sue**, Friday, June 12, 2009 at 6:00pmYes. You confused the signs. Perhaps you thought that -2^2 was -4. But when you multiply two negative numbers, the answer must be positive.

**Answer this Question**

**Related Questions**

Algebra - Use substitution to determine whether the ordered pair (– 3, – 2) is a...

Algebra - Use substitution to determine whether the ordered pair (–2, –3) is a ...

Math - determine whether the ordered pair is a solution; 6y-3x=-9,(1,-1) and 5y...

Order Pairs Math - Which ordered pair is a solution of the equation y = x – 3...

Math - Use the method of substitution to solve the linear equation! 6a=6-b 6a=5-...

Math help - 1. Which value is a solution of the equation 5 - 4x = -3 0 2 -3 1/4 ...

Algebra - Two more Algebra questions : Drawing a blank on this one, not sure ...

algebra - Determine whether the ordered pair is a soultion of the inequality. (8...

Algebra 4 - Determine whether the ordered pair is a solution (-8,3);8x+y,-2

Algebra - Two more Algebra questions : Having some difficulty with these. ...