Joaquin and Serena are asked to graph the inequality x > - 7.

Joaquin thinks the graph should have an open dot at - 7.

Serena thinks the graph should have a closed dot at - 7.

Explain who is correct and why.

Question

Mathematics

Demetrius Greene

30 October, 22:44

Joaquin and Serena are asked to graph the inequality x > - 7.

Joaquin thinks the graph should have an open dot at - 7.

Serena thinks the graph should have a closed dot at - 7.

Explain who is correct and why.

+4

Answers (1)

Know the Answer?

Jacqueline Mckay · Answer 1

Joaquin is right, as the inequality does not express an inclusion of x=7 in the graph.

It says it is "greater than 7", not "greater than or equal to 7".

Joaquin and Serena are asked to graph the inequality x > - 7.Joaquin thinks the graph should have an open dot at - 7.Serena thinks the graph should have a closed dot at - 7.Explain who is correct and why.

Joaquin and Serena are asked to graph the inequality x > - 7.

Joaquin thinks the graph should have an open dot at - 7.

Serena thinks the graph should have a closed dot at - 7.

Explain who is correct and why.