A) x=7
B) x= .7
C) x=1/7
D) x =-7
A) x=-7
B) x=.7
C) x=7
D) x=19/3
A) x=-7
B) x= -2
C) x=7
D) x=.7
A) x=43/7
B) x=-7
C) x=1/7
D) x=7
A) No Solutions
B) Infinitely Many
C) 3
D) -3
A) No Solution
B) y = 2.5
C) y =10
D) Infinitely Many
A) y=6
B) y=4/3-1/2x
C) y = 8-3x
D) y = 4/3 - 3x
- 8. The formula for profit is P=R-C. Solve the formula for R.
A) R= P + C
B) R = C - P
C) R = P -C
D) R = CP
- 9. Use the new formula to find the value of R given that P = $350 and C = $520.
A) R = 170
B) R = 970
C) R = -170
D) R =$870
- 10. It costs $35 to be a member of a music club. A member of the club pays $20 per music lesson. A nonmember pays $25 per music lesson. How many music lessons must a member and a nonmember take so the cost for each is the same?
A) 2
B) 7
C) No Solution
D) 1/7
- 11. A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon if side A is 5x-3 and side B is 4x +6.
A) 9 units
B) 126 units
C) 33 units
D) 42 units
- 12. The sum of the interior angle measures of a triangle is 180 degrees. Find the value of x. Angle 1 is 60 degrees, Angle 2 is (x+20) degrees, and Angle 3 is 3x degrees.
A) x = 15
B) x = 35
C) x= 50
D) x = 25
- 13. Solve for d. |2d-5|=3
A) d =4 or d =-1
B) d=4 or d=-4
C) d=4
D) d = 4 or d=1
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