Equation of a straight line

Find the slope of a line perpendicular to the line y = ½x + 4

• 1/2

• -1/2

• 2

• -2

• Parallel
• Perpendicular
• Neither

What is the slope of a line perpendicular to the line whose equation is 5x + 3y = 8?

• 5/3
• 3/5
• -5/3
• -3/5

what is the slope of a line that is perpendicular to y = 2/3x + 5

• -3/2

• 2/3

• -2/3

• 3/2

• Parallel

• Perpendicular

• Neither

Triangles ABC and DEF are similar. The slope of triangle ABC is...

• EQUAL TO the slope of triangle DEF.

• LESS THAN the slope of triangle DEF.

• GREATER THAN the slope of triangle DEF.

Find the slope of the line parallel to

y = -4/3x + 2.

• m = -4/3

• m = 3/4

• m = 4/3

• m = -3/4

The pair of figures is similar. Find the unknown side.

Directional vector of midsegment parallel to AB?

• (1; 1)

• (1; -1)

• (2; 2)

• (1; 4)

• 2

• -2