Which of the following number sentences is true?
a
–9 = –(–9)
b
–9 = 9
c
9 = (–9)
d
9 = –(–9)

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

Solve the system of equations y= 3/2 - 1, -x+ y =-3