coordinate geometry - the line 2

Find the gradient of the line that is perpendicular to the line 2y = 3+5x.

• 0.4

• -0.4

• $\frac{2}{5}$

Find the coordinates of the point of intersection of a pair of straight lines, x + 3y + 9 = 0 and 2x + y − 2 = 0.

• (0, 2)

• (3, -4)

• (2, -2)

• (-3, 0)

• (-1, 4)

If I am trying to prove that a triangle is scalene, what formula would I need to use and how many times do I need to use it?

• Distance, 2

• Distance, 3

• Slope, 2

• Slope 3

 $y=2x+3$  
What is the y-intercept of the above equation

• 2x

• -3

• 3

• 2

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Which special quadrilaterals have congruent diagonals?

• Rectangle and parallelogram

• Rectangle and square

• Rhombus and square

• Kite and rhombus

P(a, -11), Q(5,b), R(2,15) and S(1,1) are vertices of a parallelogram PQRS taken in order. then value of a and b are-

• a = 4, b = 4

• a = 4, b = 2

• a = 3, b = 4

• a = 4, b = 3

y = mx + c, m refers to the

• gradient
• X intercept
• co ordinate

(0, 0)

• does not exist
• does not have a Y intercept
• is the origin

The distance between (3,k) and (5,6) is $2\sqrt{2}$   units then k = ........

• 4

• 8

• both

• none