Unit 1 Final Review

Solve by graphing.
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Solve this system of equations by graphing.

y = 1/2x + 2

y = -3x + 9

• (2, 3)

• (-2, -3)

• (3, 2)

• (-3, 2)

What is the solution to the following system:

^{y = 5x}

^{3x + y = 24}

• ^{(15, 3)}

• ^{(3, 5)}

• ^{(3, 15)}

• ^{(5, 3)}

What is the solution to the following system?

^{y = 2x}

^{x + y = 9}

• (3, 6)

• (2, 9)

• (6, 3)

• no solutions

pV = nRT
solve for R

• R= pV/nT
• R= p/n + V/T
• R= pV - nT
• R= (pV-n)/T

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Which line has the equation

y = 2x + 1

• 
• 
• 
• 

Solve for n:
2m - n = 8

• n = 2m - 8
• n = -2m - 8
• n = 2m + 8
• n = -2m + 8

a = b + c   , for  c

• c = a - b
• c = a + b
• c = ab
• c = a / b

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24