Linear Functions

Question 1

General equation of the straight line graph?

Answer 1

y=mx + c

Question 2

What is the exponent of the linear graph?

Answer 2

1

Question 3

What is the value of m?

Answer 3

Gradient of the line

Question 4

What happens if the gradient is negative (1) or positive(2)?

Answer 4

(1) slope up from left to right

(2) slopes down from left to right

Question 5

As the positive value of m ______. The straight lines gets steeper. (Closer to __-axis)

Answer 5

Increases

Y

Question 6

As the negative value of m _____, the straight line gets steeper. (Closer to the __-axis)

Answer 6

Decreases

Y

Question 7

What happens if c is positive or negative?

Answer 7

Positive= shifts upwards 
Negative= shifts downwards

Question 8

How can the y intercept be determined?

Answer 8

Letting x=0

Question 9

How can the x-intercept be determined?

Answer 9

Let y=0

Question 10

What is the dual-intercept method?

Answer 10

Let x =0

Let y=0

Question 11

Equations of horizontal lines:

Answer 11

Y = number

Question 12

Gradient of horizontal lines:

Answer 12

Zero

Question 13

Equations of vertical lines:

Answer 13

X=number

Question 14

Gradient of vertical line:

Answer 14

Undefined

Question 15

What happens to the values of x if m is positive?

Answer 15

Increase

Question 16

What happens to the values of x if m is negative?

Answer 16

Decreases

Question 17

What is the domain and range for any linear function?

Answer 17

X =(-8;8)

Y =(-8;8)

Question 18

Parallel lines’ gradient is equal to ____.

Perpendicular lines’ gradient is equal to _____.

Answer 18

Each other

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