Question

Help with graphs?


Which of the following graphs matches with this:
The ordinate is twice the abscissa and x ϵ {-1, 0, 1}

a) https://media.glynlyon.com/g_alg01_2012/3/201a.gif

b) https://media.glynlyon.com/g_alg01_2012/3/201b.gif

c) https://media.glynlyon.com/g_alg01_2012/3/201c.gif

Thank you in advance :D

Answer 1

Abscissa is the x-value. Ordinate is the y-value.
Here you have ordered pairs whose x-values are -1, 0 and 1, and whose y-values are twice the x-value.
(-1, ), (0, ), (1, )
How would you fill in the blanks in the above ordered pairs to have a y-value that is twice the x-value?