Use the quadratic formula to find the exact solutions.3x2 - 20x - 7 = 0
A. - 
, 3
B. - 
, 7
C. - 
, -3
D. -3, 7
Answer: B
Mathematics
You might also like to view...
Complete the identity.1 - 
= ?
A. tan x B. 0 C. cos x D. cot x
Mathematics
Provide an appropriate response.Tell whether the following statement is true or false and why. Every real number has a reciprocal.
What will be an ideal response?
Mathematics
Fill in the blank.
angle measures between 0° and 90°.
A. A right B. An acute C. An obtuse D. A straight
Mathematics
Simplify.7x(3x2 + 2x - 5) + 2(3x2 + 2x - 5)
A. 21x3 + 13x2 - 9x - 10 B. 21x3 + 13x2 + 9x - 5 C. 21x3 + 20x2 + 31x - 10 D. 21x3 + 20x2 - 31x - 10
Mathematics