Algebra 1 4-6 Mixed Review: Formalizing Relations and Functions
By Matt Richardson
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Last updated almost 3 years ago
6 Questions
10 points
10
Question 1
1.
Review Lesson 4-5: Match each function rule with the situation it models.
a = 4.5s + 10
E = 7 + 5h
You buy several pairs of socks for $4.50 per pair, plus a shirt for $10. The total amount a you spend is a function of the number of pairs of socks you buy.
You babysit for $5 per hour and get a $7 tip. Your earnings E are a function of the number of hours h you work.
10 points
10
Question 2
2.
Review Lesson 4-1: The graph shows a family's distance from home as they drive to the mountains for a vacation.
Tag the two variables in the graph above.
variable
Number of trips
Time
Number of deer spotted
Elevation
Distance from home
10 points
10
Question 3
3.
Review Lesson 1-2: Evaluate the expression for x = 1, 2, 3, and 4.
x = 1
x = 2
x = 3
x = 4
Expression = 18
Expression = 12
Expression = 9
Expression = 15
10 points
10
Question 4
4.
Review Lesson 1-2: Evaluate the expression for x = 1, 2, 3, and 4. Only use each x-value once.
Not all expression value categories will be used.
x = 1
x = 2
x = 3
x = 4
Expression = 7
Expression = 15
Expression = 29
Expression = 22
Expression = 8
10 points
10
Question 5
5.
Vocabulary Review: Use the words in the left column to label the function machine in the image below. Use each word once.
x-values
input
function rule
output
range
y-values
Region A
Region B
Region C
10 points
10
Question 6
6.
Use Your Vocabulary: Complete each sentence with the appropriate word from the column on the left. Use each word once.
reasonableness
reasonable
unreasonable
The student estimated to check the __?__ of her answer.
