IM 6.7.9 Practice: Solutions of Inequalities

Select [b]all [/b]numbers that are solutions to the inequality [math]k>5[/math].

[math]5.01[/math] [math]0.5[/math] [math]4[/math] [math]6[/math] [math]5.2[/math] [math]5[/math]

Let [math]s[/math] be the speed of a car. Write an inequality that matches the information on the sign.[br]

Could 60 be a value of [math]s[/math]? Explain your reasoning.

Write one or more inequalities to describe the temperatures [math]T[/math] that are between the high and low temperature on that day.[br]

Select [b]all [/b]the true statements.

[math]4<|-7|[/math] [math]-5<|-5|[/math] [math]|-7|<|-8|[/math] [math]|-6|<-5[/math] [math]|-6|<3[/math]

[math]x^4=81[/math]

[math]2[/math] [math]4[/math] [math]3[/math] [math]10[/math]

[math]x^2=100[/math]

[math]10[/math] [math]4[/math] [math]3[/math] [math]2[/math]

[math]x^3=64[/math]

[math]10[/math] [math]2[/math] [math]4[/math] [math]3[/math]

[math]x^5=32[/math]

[math]4[/math] [math]2[/math] [math]3[/math] [math]10[/math]

The price of a cell phone is usually $250. Elena’s mom buys one of these cell phones for $150. What percentage of the usual price did she pay?

Elena’s dad buys another type of cell phone that also usually sells for $250. He pays 75% of the usual price. How much did he pay?

Information: IM 6.7.9 Practice: Solutions of Inequalities