Use the Following to Answer Questions

question 190

Multiple Choice

Use the following to answer questions :
A quadratic graph is shown. Assume required features have integer values.
f(x) = x² + 2x - 3 (Gridlines are spaced one unit apart.)
-Identify the axis of symmetry.

• A) x = 1
• B) x = -1
• C) x = 4
• D) x = -4

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Definitions:

Equations

Mathematical statements that assert the equality of two expressions, often involving one or more variables.

Elimination

A method in algebra for solving systems of equations, removing one variable at a time to find their values.

Linear Equations

Equations between two variables that produce a straight line when graphed.

Consistent

In the context of systems of equations, it refers to a system that has at least one set of solutions.