# 9.5.3. Slope of the Straight Line

If and the slope of , find the slope of .

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• D
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If and the slope of , find the slope of .

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• D 7
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If is a square whose diagonals are and , where and , find the slope of .

• A0
• B
• C1
• D
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If the straight line that passes through the two points and is perpendicular to the one that makes an angle of with the positive direction of the -axis, find the value of approximated to the nearest integer.

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• D3
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If the two straight lines whose slopes are and are perpendicular, find the value of .

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In the figure below, find the slope of the line , and approximate the result to the nearest hundredth, if needed.

• A
• B1.15
• C0.87
• D0.75
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Given that the points , , , and are the vertices of the rectangle , determine the values of and .

• A,
• B,
• C,
• D,
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Given that is a trapezoid, where , and the coordinates of the points , , , and are , , , and , respectively, find the coordinates of the point .

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• D
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Given that is right-angled at , where the coordinates of and are and respectively, determine the slope of .

• A
• B
• C
• D0
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Given that , , , and are four points in the plane of Cartesian coordinates, and , determine the value of .

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• D8
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In the Cartesian coordinates plane, if points , , and represent the vertices of a right-angled triangle at , find the value of .

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• D
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Determine the slope of the straight line that makes a positive angle with the positive direction of the -axis, given that the sine of the positive angle is .

• A
• B
1.071
• C
• D
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Find the measure of the positive angle that a straight line makes with the positive direction of the -axis approximated to the nearest second, given that the slope of the straight line is 0.492.

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• D
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Determine the slope of the straight line that makes a positive angle of with the positive direction of the -axis.

• A
• B
0.3249
• C
• D
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Determine the positive angle that the straight line makes with the positive direction of the -axis, given that passes through the two points and .

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• D
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In the Cartesian coordinate plane, find the value of that makes the points , , and collinear.

• A
• B0
• C3
• D9
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