1. A rectangle has a length represented by L and a width represented by W. The area A of the rectangle can be expressed as A = L * W. If the area is 48 square units and the width is 4 units, what is the length of the rectangle? Identify the constant and coefficient in the equation.
Mastering Literal Equations: Constants, Coefficients, & Solving

Quiz
•
English, Mathematics
•
8th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8 units
16 units
12 units
10 units
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. The formula for the perimeter P of a triangle is P = a + b + c, where a, b, and c are the lengths of the sides. If the perimeter is 30 units and two sides are 10 units and 8 units, what is the length of the third side? Apply properties of equality to solve for c.
10
12
15
8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. The formula for the total cost C of a meal is C = m + t, where m is the meal cost and t is the tip. If the total cost is $50 and the tip is 15% of the meal cost, express the meal cost in terms of C and t, and find the meal cost.
45.00
43.48
50.00
40.00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. The distance D traveled by a car can be expressed as D = rt, where r is the rate of speed and t is the time traveled. If a car travels for 3 hours at a speed of 60 miles per hour, what is the distance traveled? Identify the constants and coefficients in the equation.
150 miles
200 miles
120 miles
180 miles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. The formula for the volume V of a cylinder is V = πr²h, where r is the radius and h is the height. If the volume is 100π cubic units and the height is 5 units, what is the radius of the cylinder? Use properties of equality to isolate r.
2π
2√5
4
3√5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. The formula for the simple interest I earned on a loan is I = Prt, where P is the principal, r is the rate, and t is the time in years. If the interest earned is $200, the principal is $1000, and the time is 2 years, what is the rate of interest? Identify the constants and coefficients.
10%
20%
15%
5%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. The formula for the speed S of an object is S = d/t, where d is the distance and t is the time. If an object travels 150 meters in 5 seconds, what is its speed? Identify the constants and coefficients in the equation.
30 meters per second
40 meters per second
35 meters per second
25 meters per second
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