Express the given complex number in polar form.0.800e1.00j
A. 1.00 ( cos 45.8° + j sin 45.8°)
B. 1.00 ( cos 57.3° + j sin 57.3°)
C. 0.800 ( cos 57.3° + j sin 57.3°)
D. 0.800 ( cos 45.8° + j sin 45.8°)
Answer: C
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Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 3x + 5y = -10-3x - 6y = 9
A. {(-1, 5)} B. {(-5, 1)} C. {(1, -5)} D. {(5, -1)}
The matrix is the final matrix form for a system of two linear equations in variables x1 and x2. Write the Solution of the system.
A. x1 = 3 x2 = 5 B. x1 = -5 x2 = -3 C. x1 = 5 x2 = t for any real number t D. x1 = 5 x2 = 3
Express the number as an equivalent decimal. Use bar notation for repeating decimals.
A. 1.175 B. 1.75 C. 1.65 D. 1.25
Find an equation of the line satisfying the given conditions. Write the equation using function notation.Through (-4, 2); perpendicular to x + 4y = -4
A. f(x) = 
x + 3
B. f(x) = 4x + 14
C. f(x) = 4x + 18
D. f(x) = - 
x + 3