Which of the following is the equation of a line that is parallel to the graph y=-\frac{7}{4}x+5 ?
1 point
1
Question 2
2.
Which equation has a graph that is perpendicular to the graph of 3x+2y=5 ?
1 point
1
Question 3
3.
Select the equation of a line in slope-intercept form that passes through (5, -5) and is perpendicular to the graph of y=7x-\frac{3}{5} .
1 point
1
Question 4
4.
Choose the correct way to end the sentence.
The lines y-3=2(x+4) and x-2y=7 are
0.75 points
0.75
Question 5
5.
The eightball (black) and cue ball (white) are shot across a pool table so that their initial paths are at right angles to each other and they collide in the middle of the table.
When a coordinate grid is superimposed onto the table, we can say that the path of the eightball (until collision) is defined by the equation y=-\frac{1}{2}x+\frac{29}{4}. If the point of collision is (\frac{15}{2},\frac{7}{2}), what equation describes the initial path of the cue ball?
0.75 points
0.75
Question 6
6.
Continuing the scenario from question #5:
Suppose the cue ball starated all the way at the side of the table that is on the bottom of the picture, corresponding to the x-axis, and traveled along the same path (red line). What would the coordinates of its starting point on the x-axis be?