4
AssignmentMultiple Select

Solving with the Distributive Property

Question 4 • NC-Foundations of Math 1 (Fall) [1st 9 Weeks]

What steps might you take to verify the solution? Check all that apply.

Answer
A
Substitute 7 for a.
B
Pick any value for a and substitute.
C
Simplify the equation after substituting the value for a.
D
Verify that a = 7 is correct when the result is a true statement.
E
Verify that a = 7 is correct when the result is a false statement.

Explanation

To check a proposed solution of a = 7, substitute 7 for a in the original equation, then simplify both sides. If the result is a true statement, such as 5 = 5, then a = 7 is verified as a solution. A false statement would show that 7 is not a solution; choosing an arbitrary value for a does not verify the proposed solution.

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