Solving for a Variable- Quiz.

If the formula to find the Area of a rectangle is A = l x w, what is the formula to find the Length of a rectangle?

• l = A x w

• l = A / w

• l = A + w

• l = A - w

In PEMDAS, what does the E stand for?

• Exponent

• Entertainment

• Equation

• Expression

w=g+7
solve for g

• g=w/7
• g=w+7
• g=7w
• g=w-7

y=x-9
solve for x

• x=9-y
• x=9y
• x=y+9
• x=9/y

M=T-R
solve for T

• T=M+R
• T=M-R
• T=-R-M
• T=RM

Q+R=H
solve for R

• R=Q/H
• R=H+Q
• R=HQ
• R=H-Q

a=3p+1
solve for p

• p=3a+1
• p=(a+1)/3
• p=(a-1)/3
• p=a+3

2d-1=s
solve for d

• d=2s+1
• d=2s-1
• d=(s+1)/2
• d=(s-1)/2

ax+r=7
solve for r

• r=7/ax
• r=7-ax
• r=7+ax
• r=7ax