Use the discriminant to determine the number of real solutions of the equation.v2 + 4v - 1 = 0
A. No real solutions
B. 1
C. 2
Answer: C
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Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 
set, $147.99; 19-inch set, $208.95; 
set, $231.99; 
set, $289.97; 
set, $519.97. Estimate to the nearest ten how much more a 
alt="" style="vertical-align: -4.0px;" /> set costs than a 
set.
A. $270
B. $300
C. $280
D. $290
Identify the polynomial as a monomial, binomial, trinomial, or none of these.-17x
A. Binomial B. None of these C. Trinomial D. Monomial
Find the adjusted gross income.Curt had income from these sources: $17,764 from his job, $56 in interest, and $223 in dividends. He paid $3897 in alimony.
A. $18,043 B. $21,940 C. $14,146 D. $14,090
Use a Pythagorean identity to find the exact value of the expression.Given tan t = -6 and cos t > 0, find sec t.
A. sec t = 7
B. sec t = 
C. sec t = 5
D. sec t = 