Provide an appropriate response.Explain in your own words why possible solutions of radical equations must be checked.
What will be an ideal response?
The square of a number is equal to the square of its opposite. Thus, while squaring both sides of a radical equation allows us to find the solutions of the original equation, this procedure can also introduce numbers that are not solutions of the original equation.
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The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
MAJORWhat percent of students are history and science majors (to the nearest tenth of a percent)?
A. 28.6% B. 38.9% C. 36.7% D. 57.1%
Find the opposite of the integer.23
A. 1 B. 0 C. 23 D. -23
Solve the problem.Consider the following 1 × 1, 2 × 2, and 3 × 3 matchstick designs.
How many matchsticks are needed for a 12 × 12 design?
A. 288 B. 148 C. 156 D. 312
Provide an appropriate response.Using the method of reduction, solve the system: 
What will be an ideal response?