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# Mathematical Communication and Quadratic Functions Quiz

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The slope

The y-intercept

### What key feature does the x-intercept represent in linear functions?

The point where the graph crosses the x-axis

### If a linear function is represented by Ax + By = C, what does 'A' represent?

<p>A constant term</p> Signup and view all the answers

### What transformation occurs when f(x) is replaced by af(x) in linear functions?

<p>Vertical stretch or compression</p> Signup and view all the answers

### How can you estimate graphically the solutions to a system of two linear equations?

<p>By determining points of intersection on the graph</p> Signup and view all the answers

### Which method can be used to write the equation of a quadratic function when given the vertex and another point on the graph?

<p>Writing it in vertex form</p> Signup and view all the answers

### What does the domain of a quadratic function represent?

<p>Set of x-values</p> Signup and view all the answers

### Which method is NOT typically used to solve quadratic equations with real solutions?

<p>Graphing</p> Signup and view all the answers

### If a linear function has a slope of 3, what does this indicate about the line?

<p>The line is increasing</p> Signup and view all the answers

### What key attribute can be identified from the graph of a quadratic function?

<p>Minimum value</p> Signup and view all the answers

### When writing linear equations in two variables given a table of values, what does each row in the table represent?

<p>A pair of input-output values</p> Signup and view all the answers

### How can a student identify key attributes of a quadratic function graph?

<p>By determining the x-intercept and zeros</p> Signup and view all the answers

### What is the relationship between the linear factors of quadratic expressions and the zeros of their associated quadratic functions?

<p>The zeros are the solutions of the linear factors</p> Signup and view all the answers

### What effect does replacing ƒ(x) with af(x) have on the graph of the parent function f(x) = x²?

<p>Vertical stretch or compression</p> Signup and view all the answers

### How can quadratic equations with real solutions be solved?

<p>By completing the square</p> Signup and view all the answers

### What does writing quadratic functions using technology enable students to do?

<p>Estimate solutions to real-world problems</p> Signup and view all the answers

### In what way can real-world data be used to evaluate statistical relationships?

<p>By formulating and evaluating statistical relationships based on data</p> Signup and view all the answers

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