Find the slope of the line if it exists.
A. -4
B. 4
C. -1
D. 1
Answer: D
Mathematics
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Find the inclination of the line with the given slope. Round your answer to the nearest tenth of a degree, if necessary.Undefined
A. 90° B. 180° C. 0° D. 45°
Mathematics
Solve using Cramer's rule. 9x - 5y - z = -8 x + 9y - 3z = 44-7x + y + z = -8
A. (3, 3, 1) B. (5, 1, 5) C. (2, 5, 1) D. (2, -5, -1)
Mathematics
Find the quotient and simplify.
÷ 
A. y - 2
B. 
C. 
D. 
Mathematics
Use even and odd properties of the trigonometric functions to find the exact value of the expression.sec 
A. 
B. -2
C. 2
D. - 
Mathematics