Question

(4 pt)
What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}?

5r ≤ 6r – 8

A.
{8, 9, 10}

B.
{5, 6, 7, 8}

C.
{9, 10}

D.
{5, 6, 7}

Answer 1

@Jonathan1997

Answer 2

B

if r=8
2(8)≤ 3(8)-8
16≤ 16

if r=9
2(9)≤3(9)-8
18≤ 19

if r=10
2(10)≤ 3(10)-8

Answer 3

a or d

Answer 4

A

Answer 5

Which value is a solution to the open sentence?

4x – 5 = 31

A.
14

B.
6

C.
9

D.
12

Answer 6

The answer is C

Answer 7

http://static.k12.com/bank_packages/files/media/mathml_d9a5ae96cea0a8fb3f21564d891910f740ebee0d_1.gif