Solve by the quadratic formula. If there are no real roots, say so.x2 = 7 - 4x
A. -2 ±
B. -2 ± 2
C. 2 +
D. -1 ±
Answer: A
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Use an amortization table to solve the problem. Round to the nearest cent.The monthly payments on a loan at 13% annual interest are
How much of the first monthly payment will go toward the principal?
A. $914.11 B. $136.59 C. $1029.17 D. $21.53
Solve the problem.The sum of the measures of the angles of any triangle is 180°. In triangle ABC, angles A and B have the same measure, while the measure of angle C is 60° larger than each of A and B. What are the measures of the three angles?
A. A and B: 100°; C: 40° B. A and B: 50°; C: 80° C. A and C: 80°; B: 50° D. A and B: 40°; C: 100°
The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(12, -5)
A. sin ? =
cos ? = -
tan ? = -
csc ? =
sec ? = -
cot ? = -
B. sin ? = -
cos ? =
tan ? = -
csc ? = -
sec ? =
cot ? = -
C. sin ? = -
cos ? =
tan ? = -
csc ? = -
sec ? =
cot ? = -
D. sin ? = -
cos ? =
tan ? = -
csc ? = -
sec ? =
cot ? = -
Write out the first three terms and the last term of the arithmetic sequence.
A. -5 + 25 - 75 + . . . - 1500 B. -5 - 10 - 15 - . . . - 300 C. -5 - 25 - 125 - . . . - 1500 D. -1 - 5 - 10 - . . . - 300