Use the quadratic formula to find the exact solutions.x2 + 2x = 8
A. -4, 2
B. -4, -2
C. -2, 4
D. 4, 2
Answer: A
Mathematics
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Express the vector in the form ai + bj + ck.
if A is the point (-9, -5, -1) and B is the point (-4, -12, 2)
A. v = 5i + 7j - 3k B. v = 5i + 7j + 3k C. v = 5i - 7j + 3k D. v = 5i - 7j - 3k
Mathematics
Use a calculator to approximate the square root to the nearest thousandth.
A. 8.059 B. 65.000 C. 8.067 D. 8.062
Mathematics
Identify whether the number described is a parameter or a statistic.A survey of 220 employees of a certain company revealed that 25% of those surveyed were dissatisfied with their jobs.
A. Parameter B. Statistic
Mathematics
Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 7x
A. 
B. - 
C. 49
D. 
Mathematics