Question

how are the x-axis and the y-axis related on a coordinate grid

Answer 1

Answer:

these axis are perpendicular to each other

Answer 2

Answer:

• First we need to understand the concept of functions. For the sake of understanding Functions can be thought of as a machine that takes in some input, does some mathematical processing and gives an output.
• Here the input is represented by a variable ,eg : x and the output is represented by f(x)
• f(x) = some operation on x ; x belongs to a specific interval or set, eg : f(x)= 2x + 3 ; x belongs to real numbers
• If we insert an input say x = 1, the function will give us an output :

       f(1) = 2(1) + 3 = 5

• Now in the graphical representation of a function, the values of input is represented by the x axis, and after the input is inserted and an output is obtained, the output is represented by the y axis.
• Hence in our example f(x) = 2x + 3 the input x is related to the output f(x) by the following graph (graph represented by red line)
• In this graph you can try putting any value of x and it will link you to the corresponding output of y