Author:
Hannah Hynes-Petty
Subject:
Mathematics
Material Type:
Assessment, Homework/Assignment
Level:
High School
Tags:
Washington Office of Superintendent of Public Instruction, wa-math
Creative Commons Attribution Non-Commercial Share Alike
Language:
English
Media Formats:

# Education Standards (4)

## Overview

This resource was created by the Washington Office of Superintendent of Public Instruction.

Quadratics; Standard F-IF.4, Claim 1; F-IF.7a, Claim 1, Claim 2A; F-IF.4, Claim 2C

# Rocket Launch

A rocket is launched from a cliff. The relationship between the height of the rocket, , and the time since its launch, , in seconds, can be represented by the following function:

• When does the rocket reach its maximum height? Show work.
• What is its maximum height? Show work.
• How long after it reaches its maximum height does the rocket hit the ground? Show work.
• What does the number 384 mean in terms of this context?

# Rubric

 Question Number Standard/Claim Description G F-IF.4/ Claim 1 F-IF.7a/ Claim 1F-IF.7a/ Claim 2A F-IF.4? Claim 2C A 4-point response demonstrates full and complete understanding of the standard and claims by doing all the following:Shows supporting work and writes 2.5 seconds.Shows supporting work and writes 484 feet.Shows supporting work and writes 5.5 seconds.States that 384 represents the height from which the rocket was launched. A 3-point response demonstrates reasonable understanding of the standard and claims by doing three the following:Shows supporting work and writes 2.5 seconds.Shows supporting work and writes 484 feet.Shows supporting work and writes 5.5 seconds.States that 384 represents the height from which the rocket was launched. A 2-point response demonstrates partial understanding of the standard and claims by doing two the following:Shows supporting work and writes 2.5 seconds.Shows supporting work and writes 484 feet.Shows supporting work and writes 5.5 seconds.States that 384 represents the height from which the rocket was launched. A 1-point response demonstrates limited understanding of the standard and claims by doing one of the following:Shows supporting work and writes 2.5 seconds.Shows supporting work and writes 484 feet.Shows supporting work and writes 5.5 seconds.States that 384 represents the height from which the rocket was launched. A 0-point response demonstrates almost no understanding of the standard and claims.

A rocket is launched from a cliff. The relationship between the height of the rocket, , and the time since its launch ,, in seconds, can be represented by the following function:

• When does the rocket reach its maximum height?
• What is its maximum height?
• How long after it reaches its maximum height does the rocket hit the ground?
• What does the number 384 mean in terms of this context?

•

The rocket reached its maximum height 2.5 seconds after it was launched.

The rocket’s maximum height was 484 feet.

The rocket hit the ground 8 seconds after launching, or 5.5 seconds after it reached its maximum height.

• The 384 in the function represents the height from which the rocket was launched.