Chapter 4 Quiz – PreAlgebra – DZEYMOV MATH BOOKS

PreAlgebra - Quiz 4

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1. Determine if $x=4$ is a solution to the equation below.

$2x+5=13$

yes

Question 1 of 12

2. Determine if $t=3$ is a solution to the equation below.

$t^2-4t=1$

yes

Question 2 of 12

3. Solve the equation

$x+5=12$

Question 3 of 12

4. Solve the equation.

$3x+4=16$

Question 4 of 12

5. Solve the equation

$2(x+4)-6(x-1)=3(x+1)+2(x-4)+1$

Question 5 of 12

6. Translate the English sentence into a mathematical equation, then solve for the variable.

"One more than twice the difference between a number and 5 is the same as triple the number. Find the number"

Write only the solution to the unknown value as your answer.

Question 6 of 12

7. Translate the English sentence into a mathematical equation, then solve for the variable.

"Three times the sum of a number and twelve is the same as seven times the difference between the number and 20." Find the number.

Write only the solution to the unknown value as your answer.

Question 7 of 12

8. The sum of three consecutive integers is 108. Find the integers. Write your solution as three values, separated by a comma.

Question 8 of 12

9. Aaron and Bethany both make the same drive from Chicago, IL to Kalamazoo, MI. Aaron drives 20 miles per hour faster than Bethany and arrives in three hours. If it takes Bethany 5 hours, how fast was each of them driving? Select all possible values from below.

Question 9 of 12

10. Crazy Bob's Electronics had a memorial day sale where desktop computers sold for $350 each while laptops sold for$ 400 each. Bob sold 40 total computers that weekend, and made a total of $15,250. How many laptops did he sell that weekend? <input type='hidden' name='question_id[]' id='qID_10' value='150' /><input type='hidden' id='answerType150' value='textarea'></div><div class='question-choices '><textarea name='answer-150[]' id='textarea_q_150' class='watupro-textarea-medium' rows='5' cols='80'></textarea> </div></div>Question 10 of 12</div><div class='watu-question ' id='question-11'><div id='questionWrap-11' class=' '> <div class='question-content' ><span class='watupro_num'>11. </span><img src="https://www.dzeymov.com/wp-content/plugins/watupro/img/mark-review.png" class="watupro-mark-review question-id-151 question-cnt-11" alt="" title="Flag for review" id="watuproMarkHandler151">Crazy Bob's Electronics had a memorial day sale where desktop computers sold for$ 350 each while laptops sold for $400 each. Bob sold 40 total computers that weekend, and made a total of$ 15,250. How many desktops did he sell that weekend?

Question 11 of 12

12. Solve the inequality. Write your answer in interval notation (but also know how to show your answer graphically)

$3(x-3)+4x-2>2x-16$

$(-infty,-1]$

$(-infty,-1)$

$[-1,infty]$

$(-1,infty)$

Question 12 of 12