Provide an appropriate response.Solve 3x2 + 6x + 2 = 0 using the quadratic formula.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: B
Mathematics
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Multiply.(8x - 9)2
A. 64x2 + 81 B. 64x2 - 144x + 81 C. 8x2 + 81 D. 8x2 - 144x + 81
Mathematics
Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-261 ÷ (-9)
A. 19
B. 29
C. -29
D. 
Mathematics
Factor the polynomial by substitution.12z4 - 7z2 - 12
A. (3z2 + 4)(4z2 - 3) B. (3z4 + 4)(4z - 3) C. (4z2 + 3)(3z2 - 4) D. (4z4 + 3)(3z - 4)
Mathematics
Solve the problem.The radiator in a certain make of car needs to contain 
of 40% antifreeze. The radiator now contains 
of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
A. 20.0 L B. 15.0 L C. 24 L D. 30 L
Mathematics