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Analyzing Lines and Parabolas: MCAS Open Response

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Description
What It Is:
This is a math worksheet focused on line and parabola equations. It presents a table with the equations for a line (y = -3x + 5) and a parabola (y = -x² + 2x + 1). The worksheet poses two problems: finding the value of 'y' for the line when x = -47 and finding the value of 'y' for the parabola when x = -47. For each problem, students are prompted to fill in a 'Claim, Evidence, Reasoning' chart, culminating in a final sentence.
Grade Level Suitability:
This worksheet is suitable for 9th to 11th grade students. It requires knowledge of algebraic equations, specifically linear and quadratic functions, and the ability to substitute values and solve for a variable. The 'Claim, Evidence, Reasoning' structure also suggests a higher-level thinking skill expected at these grade levels.
Why Use It:
This worksheet helps students practice evaluating linear and quadratic equations. It also reinforces the scientific method by requiring students to make a claim, support it with evidence, and provide reasoning to connect the evidence to the claim. This promotes critical thinking and problem-solving skills in a mathematical context.
How to Use It:
Students should first read the problem and the given equations. Then, they should substitute the given x-value into the appropriate equation to calculate the y-value. Next, they fill out the 'Claim, Evidence, Reasoning' chart. The claim is their answer, the evidence is the calculation they performed, and the reasoning is the mathematical justification for their steps. Finally, they write a concluding sentence summarizing their findings.
Target Users:
This worksheet is ideal for high school students studying algebra or pre-calculus. It can be used as a classroom activity, homework assignment, or review exercise for students learning about linear and quadratic functions and the application of the 'Claim, Evidence, Reasoning' framework.