Sample Test Item Preview

General Information
Related Benchmark: MAFS.912.A-REI.2.4
Reporting Category: Algebra: Reasoning with Equations & Inequalities
Type: EE: Equation Editor
Difficulty: N/A
Question:

An equation is shown.

3x²+7x=1

The formula begin mathsize 12px style x equals fraction numerator negative b plus-or-minus square root of b squared minus 4 a c end root over denominator 2 a end fraction end style can be used to solve the equation.

Click on the blank to enter a numeric expression that is one solution to the given equation.

Possible Answer:
x equals negative 7 over 6 plus fraction numerator square root of 61 over denominator 6 end fraction

Other correct responses:

x equals negative 7 over 6 minus fraction numerator square root of 61 over denominator 6 end fraction comma space fraction numerator negative 7 plus square root of 61 over denominator 6 end fraction comma space o r space fraction numerator negative 7 minus square root of 61 over denominator 6 end fraction

Item Context:

fixed an equation