Form 3 - Chapter 9: Straight lines

1.

Multiple Choice

2 mins

1 pt

Which of the following points lie on the line 7x+5y=2?

$\left(\frac{2}{7},0\right)$

$\left(0,\ -3\right)$

$\left(-2,\ 0\right)$

$\left(-7,\ 1\right)$

2.

Multiple Choice

2 mins

1 pt

Diagram shows a straight line PQ. State the gradient of the straight line PQ.

$\frac{5}{8}$

$\frac{8}{5}$

$-\frac{5}{8}$

$-\frac{8}{5}$

3.

Multiple Choice

2 mins

1 pt

Diagram shows a straight line RS. Find the equation of the straight line RS.

$4y=7x-28$

$4x+7y=28$

$7y=4x+28$

$7x+4y=28$

4.

Multiple Choice

3 mins

1 pt

Given that P(6, 1), Q(-2, 15) and R(4, 10) are three points on a Cartesian Plane. PQ is a straight line. N is midpoint PQ. Find the gradient of NR.

$1$

$\frac{1}{2}$

$-\frac{9}{2}$

$-\frac{7}{4}$

5.

Multiple Choice

2 mins

1 pt

Which graph shows a straight line with a gradient of

-\frac{5}{4}

?

6.

Fill in the Blank

5 mins

1 pt

Diagram shows , the straight line IH is parallel to the straights line JKL. O is the origin.

i) find the equation of the straight line JKL

7.

Multiple Choice

30 sec

1 pt

Diagram shows a straight line RS. Find the equation of the straight line RS.

$4y=7x-28$

$4x+7y=28$

$7y=4x+28$

$7x+4y=28$

8.

Multiple Choice

30 sec

1 pt

Diagram shows two parallel lines RS and TV. The equation of the straight line TV is y=-3x+3. Find the equation of the straight line RS.

$y=-x+9$

$y=-x+2$

$y=-3x+2$

$y=-2x+2$

9.

Multiple Choice

5 mins

1 pt

What is the gradient of this line?

2

½

-½

-3

10.

Multiple Choice

5 mins

1 pt

What is the y-intercept of this line?

2

3

-3y

-3

11.

Multiple Choice

30 sec

1 pt

What gradient is represented here

negative

zero

undefined

positive

12.

Multiple Choice

30 sec

1 pt

What gradient is represented here

Positive

negative

undefined

zero

13.

Multiple Choice

2 mins

1 pt

What is the gradient of this line

4

4/5

-2

-1/2

14.

Multiple Choice

30 sec

1 pt

What is the gradient of this line?

2

-2

1/2

-1/2

15.

Multiple Choice

30 sec

1 pt

A suitable graph for the straight–line equations $2y+3x=9$ is...

16.

Multiple Choice

5 mins

1 pt

What is the y-intercept of the line
y = 4x - 6?

4

4x

6

-6

17.

Multiple Choice

2 mins

1 pt

The equation of a straight line is 2x +5y =7. Find the gradient of the line

-2

-5/2

-2/5

5

18.

Multiple Choice

2 mins

1 pt

The equation of a straight line is

3x - 2y + 8 = 0. Find the y -intercept of the line

-8

4

-8/3

8/3

19.

Multiple Choice

2 mins

1 pt

AB is parallel to CD, find the equation of AB

y = x + 2

x - 2y + 7 = 0

y = 2x + 2

y = x + 7

20.

Multiple Choice

3 mins

1 pt

Determine the equation of straight line that passes through points K(0,6 ) and L(2, 0)

y = 3x + 6

y = -3x - 6

y = -3x + 6

y = 3x - 6

21.

Multiple Choice

2 mins

1 pt

Express the following equation in the form of

y = mx + c

y = 6x + 12

2y = 6x + 12

y = 3x + 6

y = -3x + 6

22.

Fill in the Blank

30 sec

1 pt

Calculate the gradient of a straight line that passes through the following pairs of points

E(-1, -2) and F(0, 7)

23.

Multiple Choice

30 sec

1 pt

Calculate the gradient of a straight line that passes through the following pairs of points

A(4, 5) and B(3, 2)

3

4

5

6

24.

Multiple Choice

30 sec

1 pt

Determine the coordinate of y-intercept of a line that passes through the point Q(6, 0) and the gradient is 1/3.

(-2, 0)

(2, 0)

(0, 2)

(0, -2)

25.

Multiple Choice

30 sec

1 pt

y = mx + c, m refers to the

gradient

X intercept

co ordinate

26.

Multiple Choice

30 sec

1 pt

y = 2x + 3
What is the Y intercept

2x

-3

+3

27.

Multiple Choice

30 sec

1 pt

y = 2x + 3
What is the gradient

2x

2

+3

28.

Multiple Choice

30 sec

1 pt

Y = 2/3 x - 2
The m value is

2/3x

2/3

-2

29.

Multiple Choice

30 sec

1 pt

What is the y-intercept of the line represented by the equation y = 8?

8

0

-8

There is no y-intercept

30.

Fill in the Blank

30 sec

1 pt

This graph relates distance and time for a journey in a train.

How far did the train travel in the third hour?

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