STAAR Algebra 1 High School 2015 - Past Paper

Quiz by Texas Education Agency

High School
Mathematics
Texas Essential Knowledge and Skills (TEKS)

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### Measures 28 skills fromHigh SchoolMathematicsTexas Essential Knowledge and Skills (TEKS)

A.2.D: Direct Variation
A.7.C: Effects Of Parent Function
A.3.B: Rate Of Change
A.8.B: Solve & Predict Quadratic Functions
A.1.D: Mathematical Communications
A.1.E: Mathematical Ideas
A.7.B: Linear Factors Of Quadratic Expressions
A.5.C: Systems Of Linear Equations
A.6.C: Quadratic Functions Solutions & Graphs
A.4.A: Quantitative Variables
A.1.A: Everyday Problems
A.2.B: Linear Equations (1)
A.9.D: Graph Exponential Functions
A.12.B: Evaluate Functions
A.4.B: Association & Causation
A.1.C: Using Problem-Solving Tools
A.9.C: Growth & Decay Of Exponential Functions
A.5.B: Linear Inequalities
A.2.C: Linear Equations (2)
A.1.B: Problem-Solving Models
A.11.B: Numerical & Algebraic Expressions
A.2.A: Linear Function

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54 questions
• Q1
The scatterplot shows the number of visitors to a beach each day and the high temperature in degrees Fahrenheit for that day. Based on this scatterplot, which statement appears to be true?
There is a nonlinear correlation between the high temperature and the number of visitors to the beach.
When the high temperature is above 100°F, fewer than 150 visitors are expected at the beach.
There is no correlation between the high temperature and the number of visitors to the beach.
When the high temperature is between 75°F and 90°F, more than 120 visitors are expected at the beach.
45s
A.2.D: Direct Variation
• Q2
A man bought x boxes of doughnuts for $3.49 each. He paid with a$50 bill and received the correct amount of change. If he received more than $10 but less than$20, which inequality represents the number of boxes of doughnuts he could have bought?
9 ≤ x ≤ 11
9 ≤ x ≤ 12
8 ≤ x ≤ 11
8 ≤ x ≤ 12
45s
A.7.C: Effects Of Parent Function
• Q3
The graph of quadratic function r is shown on the grid. What is a solution to r(x) = 0?
14
4
-60
-50
45s
• Q4
The function y = 6 + 1.25x can be used to find the cost of joining an online music club and buying x songs from the website. Based on this information, which statement about the graph of this situation is true?
The slope of the graph represents the total number of songs bought by members of the club.
The slope of the graph represents the number of songs each member buys when visiting the website.
The y-intercept of the graph represents the cost of joining the music club.
The y-intercept of the graph represents the cost of each song.
60s
• Q5
60s
A.3.B: Rate Of Change
• Q6
One wall inside a shoe store is used to display walking shoes and running shoes. There are 135 pairs of shoes in this display. There are 1.5 times as many pairs of walking shoes as there are running shoes on display. How many pairs of walking shoes and running shoes are on display?
45 pairs of walking shoes and 90 pairs of running shoes.
81 pairs of walking shoes and 54 pairs of running shoes.
54 pairs of walking shoes and 81 pairs of running shoes.
90 pairs of walking shoes and 45 pairs of running shoes.
60s
A.8.B: Solve & Predict Quadratic Functions
• Q7
The mapping below represents y as a quadratic function of x. Which representation shows the same relationship between x and y?
45s
A.1.D: Mathematical Communications
• Q8
45s
• Q9
The population of Webb County, Texas, from the year 2000 through 2010 is shown in the graph. If the trend shown in the graph continues, what will be the population of Webb County in 2015?
158,000
307,000
471,500
278,500
45s
A.1.E: Mathematical Ideas
• Q10
60s
A.7.B: Linear Factors Of Quadratic Expressions
• Q11
Customers at a bank are charged a fee when they exchange U.S. dollars for foreign currency. The function f (x) 78.5x − 392.5 can be used to determine the number of Japanese yen a customer receives in exchange for x dollars, where x > 5. Which table shows this relationship?
60s
A.5.C: Systems Of Linear Equations
• Q12
60s
• Q13
60s
A.6.C: Quadratic Functions Solutions & Graphs
• Q14
A senior employee who works 16 hours earns $39.50 more than a junior employee who works 18 hours. The senior employee earns$14 per hour. What is the hourly pay in dollars and cents for the junior employee?
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