1.

Which of the equations given below have graphs parallel to the X-axis, and which ones have graphs parallel to the Y-axis? i. x = 3 ii. y – 2 = 0 iii. x + 6 = 0 iv. y = -5

Answer»

i. The equation of a line parallel to the Y-axis is x = a. 

∴ The line x = 3 is parallel to the Y-axis. 

ii. y – 2 = 0 

∴ y = 2 

The equation of a line parallel to the X-axis is y = b. 

∴ The line y – 2 = 0 is parallel to the X-axis. 

iii. x + 6 = 0 

∴ x = -6 

The equation of a line parallel to the Y-axis is x = a. 

∴ The line x + 6 = 0 is parallel to the Y-axis. 

iv. The equation of a line parallel to the X-axis is y = b. 

∴ The line y = – 5 is parallel to the X-axis.



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