You must be logged in to see worked solutions.

Already have an account? Log in here.

In the \(xy\)-plane, line \(m\) is parallel to the \(y\)-axis and passes through the point \((-4, 5).\) Which of the following is an equation for line \(m\)?

(A) \(\ \ x=-4\)

(B) \(\ \ y=5\)

(C) \(\ \ y=-4x+5\)

(D) \(\ \ 5y=-4x\)

(E) \(\ \ y+5=x-4\)

You must be logged in to see worked solutions.

Already have an account? Log in here.

Line \(l\) has the equation \(y=-7x+70.\) If it crosses the \(x-\)axis at the point \((a+1, b-1),\) what is the value of \(a\)?

(A) \(\ \ 0\)

(B) \(\ \ 9\)

(C) \(\ \ 10\)

(D) \(\ \ 70\)

(E) \(\ \ 71\)

You must be logged in to see worked solutions.

Already have an account? Log in here.

\(\ \)

The hypotenuse in the right triangle above has a slope \(m=28\). If \(x\) is \(5.25\), what is \(y\)?

The hypotenuse in the right triangle above has a slope \(m=28\). If \(x\) is \(5.25\), what is \(y\)?

(A) \(\ \ \frac{3}{16}\)

(B) \(\ \ 5\)

(C) \(\ \ 5.25\)

(D) \(\ \ 140\)

(E) \(\ \ 147\)

You must be logged in to see worked solutions.

Already have an account? Log in here.

In the \(xy\)-plane, line \(m\) contains the points \((0, 6)\) and \((2, 14),\) and line \(n\) contains the points \((k, 3)\) and \((37, 8).\) If line \(m\) is perpendicular to line \(n,\) what is the value of \(k?\)

(A) \(\ \ 0\)

(B) \(\ \ 4\)

(C) \(\ \ 17\)

(D) \(\ \ 34\)

(E) \(\ \ 57\)

You must be logged in to see worked solutions.

Already have an account? Log in here.

\(\ \ \)

The coordinates of point \(B\) in the figure above are \((h,k),\) where \(20|h|=|k|.\) Which of the following is the slope of \(\overline{AB}\)?

The coordinates of point \(B\) in the figure above are \((h,k),\) where \(20|h|=|k|.\) Which of the following is the slope of \(\overline{AB}\)?

(A) \(\ \ 20\)

(B) \(\ \ \frac{21}{20}\)

(C) \(\ \ \frac{1}{20}\)

(D) \(\ \ -\frac{1}{20}\)

(E) \(\ \ -20\)

You must be logged in to see worked solutions.

Already have an account? Log in here.

×

Problem Loading...

Note Loading...

Set Loading...