Use a proportion to solve the problem.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 120 yards with a 7-iron, how far should he average with a 5-iron?
A. 100 yd
B. 144 yd
C. 131 yd
D. 109 yd
Answer: B
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Factor the polynomial completely. If the polynomial is prime, so state.-3x2 + 4x + 15
A. -(3x - 5)(x + 3) B. -(3x + 5)(x - 3) C. -(3x - 3)(x + 5) D. prime
Identify the type of surface represented by the given equation. 
+ 
= 
A. Elliptical paraboloid
B. Elliptical cone
C. Hyperbolic paraboloid
D.
| Ellipsoid |
Use the discriminant to determine if the given equation can be solved by factoring. If it can be solved by factoring, find the factors.f2 + 3f + 6 = 0
A. (f + 5)(f - 7) B. (f + 6)(f - 1) C. Cannot be solve by factoring D. (f - 2.4)2
Use the FOIL method to find the product. Express the product in descending powers of the variable.(x + 3)(x2 + 9)
A. x3 + 9x2 + 3x + 27 B. 3x2 + x + 27 C. x2 + 12x + 27 D. x3 + 3x2 + 9x + 27