Math Concepts: Functions and Inequalities

The video tutorial provides a comprehensive review of chapter 8, focusing on solving inequalities, writing equations, and understanding function tables. It includes detailed examples of solving math problems, graphing inequalities, and completing function tables. The tutorial also covers a comprehensive problem that integrates equations, tables, and graphs, preparing students for the upcoming test.

What should you bring to the Chapter 8 test review session?

• A laptop and a textbook

• Lined paper and a pencil

• A calculator and a pen

• A ruler and a notebook

John has $50 and wants to buy a $26 watch. How many $6 t-shirts can he buy?

• 3

• 4

• 6

• 5

What is the first step in writing an equation from a table?

• Add all numbers together

• Multiply all numbers by 2

• Find the arithmetic pattern

• Identify the variable

Joanne must be at least 18 years old to vote. How is this represented in an inequality?

• a > 18

• a ≥ 18

• a < 18

• a ≤ 18

Which number is a solution for x + 2 > 11?

• 10

• 9

• 8

• 7

What is the rule for a function table where the input is multiplied by 7?

• x - 7

• 7x

• x + 7

• x / 7

If 2x - 6 = 24, what is the value of x?

• 12

• 20

• 15

• 18

Susie saved $600 and spent $200 on a ticket. How much can she spend on the rest of her trip?

• $300

• $400

• $500

• $600

What is the equation for the number of pounds an elephant eats in D days if it eats 400 pounds per day?

• V = 400 + D

• V = 400 - D

• V = 400 * D

• V = 400 / D

Jess needs $300 for a dress. She earns $10 per hour babysitting and has $20 from mowing the lawn. How many hours does she need to babysit?

• 26

• 27

• 25

• 28