Solve using the quadratic formula.x2 + x + 9 = 0
A. 
B. 
C. 
D. 
Answer: C
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Let p represent the statement, "Jim plays football", and let q represent the statement "Michael plays basketball". Convert the compound statement into symbols.Neither Jim plays football nor Michael plays basketball.
A. ~(p ? q) B. ~p ? ~q C. ~p ? q D. ~(p ? q)
Solve by the method of elimination by substitution.0.4x + 0.6y = -2.6x - 0.5y = -0.5
A. x = -0.2, y = -0.3 B. x = -2, y = -3 C. x = -3, y = -2 D. Inconsistent
Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.18y2 + 81y - 45
A. (18y - 9)(y + 5) B. 9(2y - 1)(y + 5) C. 9(2y + 1)(y - 5) D. prime
Solve the problem.The motion of a projectile that is fired at a 30° angle with the horizontal is given by x = v0
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 350 feet per second at an angle of 30° with the horizontal. Find (a) the time when it strikes the ground and (b) the range (horizontal distance covered).
A. (a) 10.9 sec (b) 3315 ft B. (a) 5.5 sec (b) 1658 ft C. (a) 21.9 sec (b) 6631 ft D. (a) 18.9 sec (b) 3315 ft