Solve the system of linear equations by the method of elimination. Find (x, y) and check your solution algebraically.
a. ?(14, 13)
b. (–14, –13)
c. (–14, 13)
d. (14, –13)
c. (–14, 13)
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Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 + 4x + 3 = 0
A. two rational solutions B. one rational solution C. two nonreal complex solutions D. two irrational solutions
Given C = 127°, B = 23°, and c = 15, use the Law of Sines to solve the triangle for the value of a. Round answer to two decimal places.
A. a = 30.66 B. a = 10.62 C. a = 19.19 D. a = 8.17 E. a = 9.39
Find the equation of the line that has the given slope and passes through the given point.m = -2, (6, 5)
A. y = -2x + 17 B. y = -2x - 17 C. x = -2y - 17 D. x = -2y + 17
Use factoring to solve the quadratic equation.x2 = 4x - 4
A. {
}
B. {-2, 2]
C. {-2}
D. {2}