Provide an appropriate response.y = -xy = -x + 4y = -x - 4Graph the set of equations on the same grid. Compare the slopes, y-intercepts, and their effects on the graphs.
What will be an ideal response?
Answers may vary. One possibility:
For all three lines, the slope is -1. Thus, they are parallel and do not intersect. In addition, they all slope downhill from left to right. The y-intercept of 
is (0, 0), the y-intercept of 
is (0, 4), and the y-intercept of
is (0, - 4). The graph of 
looks like the graph of 
shifted up 4 units. The graph of 
looks like the graph of 
shifted down 4 units.
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Perform the necessary operations.4 + 7 - 12
A. 9 B. -15 C. 23 D. -1
Provide an appropriate response.Find an equation of the line tangent to y = xcot x at the point x = 1.
A. y = x cot 1 - 1 + cot 1 B. y = x cot 1 - 1 - cot 1 C. y = x cot 1 + 1 + cot 1 D. y = x cot 1 + 1 - cot 1
Convert to radical notation and simplify.642/3
A. 8
B. 
C. 16
D. 4
Find the slope of the line going through the given pair of points.(7, -9) and (7, -1)
A. Undefined
B. 
C. 4
D. 8