Back to Tutor Intake Assessment: Create equations and inequalities

HSA.CED.A.1 Tutor Intake — Creating Equations and Inequalities

This short check helps your tutor understand where to start. Answer each question on your own. If you are not sure, give your best try — every response helps your tutor plan your sessions.

Grade 9·8 problems·~12 min·Common Core Math - HS Algebra·standard·hsa-ced-a-1
Work through problems with immediate feedback
A

Concepts

1.

A student is solving a word problem and writes the following as their
first step:

"Let xx be the amount."

Which concern is most important to raise about this variable definition?

2.

A gym charges a $40 enrollment fee and $25 per month. Maria's budget is
$215. Which of the following is the correct algebraic equation to find
how many months she can afford?

3.

After solving an equation in a word problem, a student gets x=6x = -6.
The problem asks for the number of boxes shipped. Which is the correct
next step?

B

Procedures

1.

A car rental company charges $30 per day plus $0.15 per mile. A
customer rented the car for 1 day and paid $97.50 total.

Let mm = miles driven. Write and solve the equation 30+0.15m=97.5030 + 0.15m = 97.50.

How many miles did the customer drive?

2.

A store needs to sell units at $12 each to cover $450 in fixed costs
and make a profit. Which inequality correctly models the number of units
uu the store must sell?

3.

A rectangular garden has a perimeter of 32 meters. One side has length
xx meters, so the adjacent side has length (16x)(16 - x) meters.

Set up and expand the area equation: A=x(16x)A = x(16 - x).

If the area equals 48 square meters, write the equation in standard form
ax2+bx+c=0ax^2 + bx + c = 0 and find the positive value of the constant cc.

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