Linear graphs qwizdom

Linear Graphs

Question 1

What of the following equations represents a linear graph?

a) y = 2x² + 5b) 5y = 2x – 7c) y = 4x³d) y = 1/x

Question 2

Which of the following lines is perpendicular to the line y = 5x + 2

a) y = 1/5x – 3b) y = 7x + 2c) y = 3 – 1/5xd) y = 5x

A graph has the equation y = 2x – 4.Where does it cross the y axis?

a) (0,-4)b) (2,4)c) (-4,0)d) (0,2)

Question 3

A graph has the equation y = 2x – 4.What is the gradient of this line?

a) 2x – 4b) 4c) 2d) -4

Question 4

What is the equation of this graph?a) x² + 5b) x³ - 3c) -x ² - 2d) x² - 2

Question 5

A graph has the equation y = 5 – 4x.What is the gradient of this line?

a) 5b) -4c) 4d) -2

Question 6

A graph has the equation y = 5 – 4x.Where does this graph cross the y axis?

a) (0,5)b) (-4,0)c) (5,0)d) (0,1)

Question 7

What are the coordinates of A?

a)(0,2)b)(0,5)c) (5,0)d)(0,3)

Question 8

What is the equation of this graph?

a) y = x² - xb) y = 2x + 1c) y = x - x³d) y = 1 - x

Question 9

A line has the equation y = 4x – 4.

Which of the following equations is parallel to this?

a) y = 7x – 3b) y = 4x – 3c) y = 2x – 2d) y = x - 4

Question 10

What are the coordinates of B?

a)(-2.5,0)b)(0,5)c) (5,0)d)(0,2.5)

Question 11

Which line is parallel to y = 6 – 2x?

a) y = 3 – xb) y = 10 – 2xc) y = 6 + 2xd) y = 6 - x

Question 12

Question 13

Which line is perpendicular to y = 5 – 2x?

a) y = x/2 + 5b) y = 7 – 1/2xc) y = 7 – 2xd) y = 60 + 2x

Question 14

What is the gradient of the line 2y – 4x = 5?

a) -4b) 2c) -2d) 4

Question 15

Where does the line 2y – 4x = 5 cross the y axis?

a) (-2.5,0)b) (0,5)c) (0, 2.5)d) (0,-4)