Linear Inequalities Answers

16 verified answers2 views
11

Solve the following inequality using both the graphical and algebraic approach: Graph A Graph B

Question illustration
A
Graph A
B
Graph A
C
Graph B
D
Graph B
13

When graphing inequalities, where can the solutions be found?

A
there are no solutions to inequalities
B
outside the shaded portion
C
where the shading overlaps
D
below the shaded portion
15

Life expectancy in the U.S. is steadily increasing due to medical advancements and the increased awareness of maintaining a healthy lifestyle. The life expectancies for men and women in the U.S. can be modeled by the following functions: where W(x) represents the life expectancy for women and M(x) represents the life expectancy for men, and x represents the number of years since 1975. (x = 0 corresponds to the year 1975, x = 5 corresponds to the year 1980 and so on.) Write an inequality that represents in what years the life expectancy of men is greater than that of women. a. b. c. d. Please select the best answer from the choices provided

Question illustration
A
A
B
B
C
C
D
D
17

Explain what needs to happen to the inequality sign when dividing or multiplying by a negative number.

A
nothing happens
B
flip the inequality sign
C
change the inequality sign to an equals sign
D
the inequality needs to be graphed on a number line
18

Solve the following inequality using both the graphical and algebraic approach: Graph A Graph B

Question illustration
A
Graph A
B
Graph A
C
Graph B
D
Graph B

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