3B Maths Ch.10 revision

Find the distance between the two given points.

(Give the answers correct to 3 significant figures if necessary.)

A(6, 8), B(6, 15)

Find the distance between the two given points.

(Give the answers correct to 3 significant figures if necessary.)

C(3, 0), D(–11, 0)

Find the distance between the two given points.

(Give the answers correct to 3 significant figures if necessary.)

E(–9, 7), F(2, 7)

Find the distance between the two given points.

(Give the answers correct to 3 significant figures if necessary.)

G(0, 0), H(20, 21)

Find the distance between the two given points.

(Give the answers correct to 3 significant figures if necessary.)

I(6, 1), J(0, –7)

Find the distance between the two given points.

(Give the answers correct to 3 significant figures if necessary.)

K(–1, –3), L(1, –4)

Find the slope of the straight line passing through the two given points.

(if the answer is $-\frac{1}{2}$ , input -1/2 )

A(0, 4), B(10, 0)

Find the slope of the straight line passing through the two given points.

(if the answer is $-\frac{1}{2}$ , input -1/2 )

C(1, 2), D(8, 8)

Find the slope of the straight line passing through the two given points.

(if the answer is $-\frac{1}{2}$ , input -1/2 )

G(–8, 4), H(2, –1)

Find the slope of the straight line passing through the two given points.

(if the answer is $-\frac{1}{2}$ , input -1/2 )

I(4, –3), J(–5, 7)

Find the inclination of the line segment with the slope of 0.25.

(Give the answers correct to 3 significant figures if necessary.)

Find the inclination of the line segment with the slope of $\frac{7}{5}$  .

(Give the answers correct to 3 significant figures if necessary.)

If the slope of the straight line passing through the points C(5, m) and D(7, –5) is 3, find the value of m.

If the slope of the straight line passing through the points E(1, –6) and F(n, –9) is $-\frac{3}{2}$  , find the value of n.

Straight lines L₁ and L₂ are a pair of parallel lines. Find the slope of L₂ if the slope of L₁ is 0.

Straight lines L₁ and L₂ are a pair of parallel lines. Find the slope of L₂ if the slope of L₁ is 5.

Straight lines L₁ and L₂ are a pair of perpendicular lines. Find the slope of L₂ if the slope of L₁ is -3.

Straight lines L₁ and L₂ are a pair of perpendicular lines. Find the slope of L₂ if the slope of L₁ is 7.

Straight lines L₁ and L₂ are a pair of perpendicular lines. Find the slope of L₂ if the slope of L₁ is $-\frac{2}{9}$  .