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Inequalities

Objective: Use inequalities

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.69

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable.

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable. s = satellites

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable. s = satellites

b. Write an equation.

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable. s = satellites

b. Write an equation. 10s = 7000

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable. s = satellites

b. Write an equation. 10s = 7000

c. Solve for the number of satellites.

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable. s = satellites

b. Write an equation. 10s = 7000

c. Solve for the number of satellites. 700

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5-Minute CheckSolve each equation using the inverse operation.

1. 5 + r = 12 7

2. 34 = 2s 17

3. 7 = g/12 84

4. 4.37 = y9.32 13.695. Astronomers keep track of about 7000 objects. One

out of every ten of these is a satellite. The rest are

space trash. About how many satellites are

astronomers tracking?a. Define a variable. s = satellites

b. Write an equation. 10s = 7000

c. Solve for the number of satellites. 700

d. Check your solution.

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1-9 Inequalities

< >

less than

fewer than

greater than

more than

exceeds

less than orequal to

no more

thanat most

greater thanor equal to

no less than

at least

Inequality symbols

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

This sentence is false.

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

This sentence is false.

b. 16 2h/12+ 11, h = 24

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

This sentence is false.

b. 16 2h/12+ 11, h = 24

16 2*24/12+ 11

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

This sentence is false.

b. 16 2h/12+ 11, h = 24

16 2*24/12+ 11

16 4 + 11

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

This sentence is false.

b. 16 2h/12+ 11, h = 24

16 2*24/12+ 11

16 4 + 11

16 15

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1-9 Inequalities

Example

For the given value, state whether each inequality is

true or false.

a. x7 > 16, x = 15157 > 16

8 > 16

This sentence is false.

b. 16 2h/12+ 11, h = 24

16 2*24/12+ 11

16 4 + 11

16 15

This sentence is true.