4.1 Inequalities

Presentation

•

Mathematics

•

7th Grade

•

Medium

•

CCSS

6.EE.B.8, 6.EE.B.5

Standards-aligned

Tzerwan Penza

Used 44+ times

FREE Resource

4 Slides • 16 Questions

4.1 Review - Inequalities

An inequality is a mathematical sentence that compares expressions.

$<$ is less than, is few than.
$>$ is greater than, is more than.
$\le$ is less than or equal to, is at most, is no more than.
$\ge$ is greater than or equal to, is no more than.

Multiple Choice

Choose the inequality that represents the statement

A number x is less than -10.

$x<-10$

$x>-10$

x $x\le-10$

$x\ge-10$

Multiple Choice

Choose the inequality that represents the statement

A number x is greater than 20.

$x<20$

$x>20$

$x\le20$

$x\ge20$

Multiple Choice

Choose the inequality that represents the statement

A number x is at most -15.

$x<-15$

$x>-15$

$x\le-15$

$x\ge-15$

Multiple Choice

Choose the inequality that represents the statement

A number x is at least 6.

$x<6$

$x>6$

$x\le6$

$x\ge6$

Multiple Choice

Choose the inequality that represents the statement

A number x is no more than -25.

$x<-25$

$x>25$

$x\le-25$

$x\ge25$

Multiple Choice

Choose the inequality that represents the statement

A number x is no less than 40.

$x<40$

$x>40$

$x\le40$

$x\ge40$

The graph of an inequality shows all of the solutions that makes the inequality true on a numberline.

Use an open cirlce for $<\ or\ >$ .
Use a closed circle for $\le or\ \ge$ .
Greater values extend right on the numberline.
Lesser values extend left on the numberline.

Multiple Choice

Describe the graph of the inequality

x>5

Open circle at 5 with arrow extending right.

Closed circle at 5 with arrow extenteding left.

Closed circle at 5 with arrow extending right.

Closed circle at 5 with arrow extending left.

Multiple Choice

Describe the graph of the inequality

p\le-15

Open circle at -15 with arrow extending right.

Closed circle at -15 with arrow extenteding left.

Closed circle at -15 with arrow extending right.

Closed at -15 circle with arrow extending left.

Multiple Choice

Choose the graph that represents the inequality

Multiple Choice

Choose the graph that represents the inequality

Multiple Choice

Choose the graph that represents the inequality

Multiple Choice

Choose the graph that represents the inequality

Checking Solutions for an inequality

Substitute the given value for the variable.
Evaluate the expression to see if the statement is true.
Be careful comparing negative numbers.

Multiple Choice

Tell whether the given value is a solution of the inequality

n+8\le13,\ n=4

YES

Multiple Choice

Tell whether the given value is a solution of the inequality

x-8\ge15;\ x=12

YES

Multiple Choice

Tell whether the given value is a solution of the inequality

5y\le-9;\ y=-2

YES

Multiple Choice

Tell whether the given value is a solution of the inequality

\frac{x}{4}\ge3;\ x=12

YES

4.1 Review - Inequalities

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