Straight Lines, Course Quiz

What is the slope of a horizontal line?

A

0

B

-1

C

1

D undefined

A line is parallel to

y = 5x - 2

. What is its slope?

A

-2

B

5

C

\displaystyle \tfrac{1}{5}

D

\displaystyle -\tfrac{1}{5}

Find the slope of a line perpendicular to the line through

(0, 1)

and

(2, 5)

.

A

\displaystyle \tfrac{1}{2}

B

-2

C

\displaystyle -\tfrac{1}{2}

D

2

Find the distance between

(0, 0)

and

(4, 3)

.

A

1

B

25

C

7

D

5

Find the point dividing the join of

(1, 1)

and

(5, 9)

internally in the ratio

1 : 1

.

A

(3, 5)

B

(4, 8)

C

(2, 4)

D

(6, 10)

Find the equation of the line through

(1, 1)

and

(5, 9)

.

A

2x - y + 1 = 0

B

2x + y - 3 = 0

C

x - 2y + 1 = 0

D

2x - y - 1 = 0

What is the

y

-intercept of

2x + 5y - 10 = 0

?

A

5

B

10

C

2

D

-2

Find the distance of the origin from the line

3x - 4y + 5 = 0

.

A

\displaystyle \tfrac{1}{5}

B

1

C

\displaystyle \tfrac{5}{7}

D

5

The perpendicular bisector of

A(1, 3)

and

B(3, 1)

passes through the midpoint and has slope

A

-1

B

0

C

2

D

1

Which line makes equal intercepts on the axes and passes through

(2, 3)

?

A

x - y = -1

B

x + y = 6

C

3x - 2y = 0

D

x + y = 5

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