Determine the slope, if it exists, of the graph of the given linear equation.y = - 
x + 4
A. m = - 
B. m = -4
C. m = 4
D. m = 
Answer: A
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Calculate the circulation of the field F around the closed curve C.F = xy2i + x2yj; curve C is the counterclockwise path around C1 ? C2 : C1: 
0 ? t ? ?C2: r(t) = ti , -7 ? t ? 7
A. 7 B. 0 C. 98 D. 49
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.x2 + 3x - 18 = 0
A. {-6, 3} B. {-3, 18} C. {-3, 6} D. {0}
Compute the discriminant. Then determine the number and type of solutions for the given equation.x2 - 7x + 6 = 0
A. -73; two complex imaginary solutions B. 0; one real solution C. 25; two unequal real solutions
Solve and check. Use the square root principle to eliminate the square.(r + 4)2 = 10
A. 6
B. -4 ± 
C. ±
D. 4 ± 