901 Midterm

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

-8(-8x - 6) = -6x - 22

• 2/5
• -1
• 8/7 
• 2

 Which inequality can be represented by the graph?

• x < 5
• x > 5
• x ≤  5
• x ≥ 5

When the following inequality is graphed, what will it look like?

2 > f

• open circle

• closed circle

What inequality does the number line graph represent?

• x > 5
• x < −5
• x ≥ 5
• x ≥ −5

Which phrase best describes the graph of 4 > b?

• open circle, arrow pointing left
• open circle, arrow pointing right
• closed circle, arrow pointing right
• closed circle, arrow pointing left

Solve for n:
2m - n = 8

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

S = 3F - 24  Solve for F

• F = (S + 24)/3
• F = S/3 + 24
• F = 3S + 24
• F = 3(S + 24)

pV = nRT

solve for n

• n= pV/RT

• n= p/R + V/T

• n= pV - RT

• n= (pV-R)/T