Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 5, x = 0
B. x = 0
C. x = 5, x = -5
D. x = -5
Answer: B
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The area of the triangle having vertices P(20, 12), Q(2, 10), and R(3, 15) can be written using a determinant. What is the sum of the elements in the first column of that determinant? ??
A. 33 B. 13 C. 19 D. 25 E. 37
Find a parametric equation for the parabola described.Focus (-8, 10), directrix x = -2
A. y = - 
t2 + 10, x = t - 5
B. x = - 
t2 + 5, y = t - 10
C. x = - 
t2 - 5, y = t + 10
D. x = 
t2 - 5, y = t + 10
Change the fraction to a decimal. Round as indicated.1
ten thousandths
A. 0.7693 B. 0.3077 C. 1.5385 D. 7.6925
Find the quotient and the remainder.7x3 + 38x2 - 20x + 24 divided by x + 6
A. x2 + 5x + 6; remainder 0 B. 7x2 + 4x + 4; remainder 0 C. x2 + 4x + 7; remainder 0 D. 7x2 - 4x + 4; remainder 0