On a number line, the distance from zero to - 7 is 7 units.

Which equation demonstrates this concept?

A.

|-7| = 7

B.

|-7| = - 7

C.

72 = 49

D.

0 + 7 = 7

Question

Mathematics

Addison Bray

6 December, 17:58

On a number line, the distance from zero to - 7 is 7 units.

Which equation demonstrates this concept?

A.

|-7| = 7

B.

|-7| = - 7

C.

72 = 49

D.

0 + 7 = 7

+3

Answers (1)

Know the Answer?

Leonardo Castaneda · Answer 1

Answer: Option A. |-7| = 7

Solution:

The distance is a positive value, then we must not take in account the sign, and using:

|a| = -a if a<0

with a=-7

|-7| = - (-7)

|-7| = 7

On a number line, the distance from zero to - 7 is 7 units.Which equation demonstrates this concept?A.|-7| = 7B.|-7| = - 7C.72 = 49D.0 + 7 = 7

On a number line, the distance from zero to - 7 is 7 units.

Which equation demonstrates this concept?

A.

|-7| = 7

B.

|-7| = - 7

C.

72 = 49

D.

0 + 7 = 7