Use the discriminant to determine what type of solutions exist for the quadratic equation. Do not solve the equation.
A. nonreal complex numbers, complex conjugates
B. rational, unequal
C. irrational, unequal
D. rational, equal
E. irrational, equal
Answer: C
Mathematics
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Match the equation with the surface it defines.
+ 
= 
A. Figure 2 B. Figure 1 C. Figure 4 D. Figure 3
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Find an equation for the line with the given properties.Perpendicular to the line 7x - 8y = -25; containing the point (1, 13)
A. -8x - 7y = -99 B. 7x + 8y = -99 C. -8x + 7y = -25 D. -8x + 7y = -99
Mathematics
Find the slope of the line containing the two points.(8, -3); (-8, 6)
A. 
B. - 
C. 
D. - 
Mathematics
Simplify the expression. Assume that all variables are positive.
A. - 
B. x3/2y17/8
C. 
D. 
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