# Unit Quiz: Revise - Linear and Quadratic Graphs

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## Q1. Work out the gradient of the line.

### Options:

- 4
- 8
- 2
- 0.5

### Correct Answer:

- 2

## Q2. Work out the gradient of the line passing through the points (-5, -9) and (1, 3).

### Options:

- -2
- 2
- -0.5
- 4

### Correct Answer:

- 2

## Q3. Work out the equation of the line.

### Options:

- y=x+4
- y=3x-1.5
- y=3x+4
- y=0.5x+4

### Correct Answer:

- y=3x+4

## Q4. Find the equation of the straight line that has a gradient of 4 and passes through the point (1, 10)

### Options:

- y=4x
- y=4x+6
- y=4x+10
- y=4x+1

### Correct Answer:

- y=4x+6

## Q5. Which of these equations of a line is parallel to y = 5x− 8?

### Options:

- y=x-8
- y=5x+4
- y=-5x-8
- y=-5x

### Correct Answer:

- y=5x+4

## Q6. Which of these equations of the line is parallel to x + y = 8 and passes through (0, -4).

### Options:

- y = -x -4
- y = x -4
- y = -x + 4
- y = -x + 8

### Correct Answer:

- y = -x -4

## Q7. What is the equation of the line labelled P?

### Options:

- A
- B
- C
- D

### Correct Answer:

- B

## Q8. What is the equation of the line labelled Q?

### Options:

- A
- B
- C
- D

### Correct Answer:

- D

## Q9. What is the equation of the line labelled R?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C

## Q10.

### Options:

- (0.5, 3.5)
- (-0.5, 0)
- (-0.5, 0) and (3.5, 0)
- (0.5, 0) and (3.5, 0)

### Correct Answer:

- (-0.5, 0) and (3.5, 0)

## Q11. What is the gradient of the line y=4x-5

### Options:

- 4/5
- 1
- -5
- 4

### Correct Answer:

- 4

## Q12. What is the y intercept of the line y=7x-2

### Options:

- -3.5
- 3.5
- 7
- -2

### Correct Answer:

- -2

## Q13. Work out the gradient of the line 2y + x = 20

### Options:

- 0.5
- -0.5
- 1
- -1

### Correct Answer:

- -0.5

## Q14. Here are four quadratic graphs. The red curve shows y = x². Which equation is the yellow curve labelled i?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C

## Q15. Here is a table of values for y = 3x²– 1 Which number is missing?

### Options:

- A
- B
- C
- D

### Correct Answer:

- C