A) x= .7
B) x =-7
C) x=1/7
D) x=7
A) x=.7
B) x=7
C) x=19/3
D) x=-7
A) x=.7
B) x=7
C) x= -2
D) x=-7
A) x=1/7
B) x=43/7
C) x=7
D) x=-7
A) 3
B) No Solutions
C) Infinitely Many
D) -3
A) y =10
B) No Solution
C) y = 2.5
D) Infinitely Many
A) y = 4/3 - 3x
B) y=4/3-1/2x
C) y = 8-3x
D) y=6
- 8. The formula for profit is P=R-C. Solve the formula for R.
A) R = CP
B) R = P -C
C) R = C - P
D) R= P + C
- 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) 7
B) 1/7
C) No Solution
D) 2
- 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) 42 units
B) 126 units
C) 9 units
D) 33 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= 50
B) x = 35
C) x = 15
D) x = 25
- 13. Solve for d. |2d-5|=3
A) d=4
B) d = 4 or d=1
C) d=4 or d=-4
D) d =4 or d =-1
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