Use the discriminant to determine the number and type of solutions for the given equation.x2 - 7x + 8 = 0
A. one (repeated) real rational solution
B. two real rational solutions
C. two imaginary solutions
D. two real irrational solutions
Answer: D
Mathematics
You might also like to view...
Solve the given differential equation.(-10y + 4x) dy + 4y dx = 0
A. y2 + 4xy = c B. -5y2 + xy = c C. 5y2 + 4xy = c D. -5y2 + 4xy = c
Mathematics
Find the exact value of the expression. Do not use a calculator.cos [cos-1 (-0.9372)]
A. -0.9372 B. -0.4686 C. 0.9372 D. 0.4686
Mathematics
Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Find cos(A - B).cos A = - 
and sin B = 
, with A and B in quadrant II.
A. - 
B. 
C. 
D. - 
Mathematics