Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.5x4 - 15x2
A. 5x2(x2 - 15)
B. 5(x4 - 3x)
C. 5x2(x2 - 3)
D. 15x2(x2 - 1)
Answer: C
Mathematics
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Graph the equation.y2 - 49x2 = 49
A. 
B. 
C. 
D. 
Mathematics
Evaluate.Evaluate y + 10, if y is equal to 11.
A. 22 B. 21 C. y + 11 D. 110
Mathematics
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.ex = 0.61
A. x = -ln 0.61 B. x = log30.61 C. x = log 0.61 D. x = ln 0.61
Mathematics
Find the probability.A bag contains 13 balls numbered 1 through 13. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 6
B. 
C. 
D. 
Mathematics