4.6 Chapter Review
Textbook
9 Math Workbook
Chapter
Chapter 4
Section
4.6
Solutions 43 Videos

Solve using pencil and paper.

\displaystyle x + 5 = 9 

Coming Soon
Q1a

Solve using pencil and paper.

\displaystyle f- 7 = 3 

Q1b

Solve using pencil and paper.

\displaystyle 3h = 15 

Q1c

Solve using pencil and paper.

\displaystyle \frac{k}{4} = 3 

Q1d

Solve using pencil and paper.

$\displaystyle 2x + 5 = 11 Buy to View Q2a Solve using pencil and paper. \displaystyle 3y + 5= 11  Buy to View Coming Soon Q2b Solve using pencil and paper. \displaystyle 3y + 5= 1110 + 4f= - 34  Buy to View Coming Soon Q2c Solve using pencil and paper. \displaystyle -5m -3= 12  Buy to View Coming Soon Q2d Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer. \displaystyle 5x + 2= 12  Buy to View Coming Soon Q3a Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer. \displaystyle 3p + 8 = 5  Buy to View Q3b Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer. \displaystyle 4 + 6w =2  Buy to View Q3c Find the root of each equation using any method. Express fraction answers in lowest terms. Check each answer. \displaystyle -6 + 4u = -3  Buy to View Q3d John has$23.65 to spend on a book and magazines. The book costs $5.95. The magazines cost$2.95 each.

a) Write an equation that models the number of magazines that John can afford.

b) Solve the equation.

Q4

Solve using pencil and paper.

Q5a

Solve using pencil and paper.

Q5b

Solve using pencil and paper.

Q5c

Solve using pencil and paper.

Q5d

Solve using pencil and paper.

2a+5=6a+9

Q6a

Solve using pencil and paper.

3b-7=b+5

Q6b

Solve using pencil and paper.

5n+8=8n-10

Q6c

Solve using pencil and paper.

-7d+3=-3d+11

Q6d

Find the root of each equation using pencil and paper. Check each root.

Q8a

The power, P, in an electric circuit is related to the voltage, V, and resistance

R, by the formula \displaystyle P = \frac{V^2}{R} .

a) Find the power, in watts (W), when the voltage is 100 V (volts) and the resistance is 50 \Omega (ohms).

b) What is the resistance of a circuit that uses 100 W of power with a voltage of20 V?

c) The resistance of a circuit is 15 \Omega`. The same circuit uses 60 W of power. Find the voltage in the circuit.

Q12

The total of three cousins’ ages is 48. Suresh is half as old as Hakima and 4 years older than Saad. How old are the cousins?

Q13

Aria sells T-shirts at a rock concert. She earns $8.00/h, plus$0.50 for each T-shirt she sells.

a) How much will Aria earn in a4h shift if she sells 35 T-shirts?

b) How many T-shirts must Adila sell to earn $80 in a 6-h shift? Buy to View Q14 Ramesh sells hot dogs at a ball game. He earns$8.50/h, plus $0.35 for each hotdog he sells. a) How much will Ramesh earn in a 4—h shift if he sells 52 hot dogs? b) How many hot dogs must Ramesh sell to earn$103 in an 8-h shift?

c) How many hot dogs must Ramesh sell to earn \$79 in a 6-h shift?