STAAR Algebra Reporting Category 1

What is the slope of a line that is parallel to the line containing (-11, 5) and (-6, 1)?

Answer explanation

Spreadsheet

Tags

CCSS.8.EE.B.5

• Its x-intercept is 3 units less than the x-intercept of the graph of f(x), and its y-intercept is 3 units less than the y-intercept of the graph of f(x).

• Its x-intercept is 3 units less than the x-intercept of the graph of f(x), and its y-intercept is 3 units more than the y-intercept of the graph of f(x).

• Its x-intercept is 3 units more than the x-intercept of the graph of f(x), and its y-intercept is 3 units less than the y-intercept of the graph of f(x).

• Its x-intercept is 3 units more than the x-intercept of the graph of f(x), and its y-intercept is 3 units more than the y-intercept of the graph of f(x).

Answer explanation

Graph f(x) = x-3

What is the zero of the following linear function?

• -12

• 4

• 48

• 60

Answer explanation

zero = x-intercept

On several evenings last summer, Marisol counted the number of cricket chirps she heard in a minute and recorded the temperature of her surroundings in degrees Fahrenheit. The data she collected are displayed on the scatterplot shown. With the aid of technology, Marisol drew a best-fit line on the scatter plot and used it to predict temperatures based on chirps per minute. To the nearest degree Fahrenheit, what temperature will Marisol expect on an evening when 125 cricket chirps per minute can be heard? HINT: make a table and use the spreadsheet to graph the line, then find 125 on the table or using the spider.

Answer explanation

Make a table, and use spreadsheet to find the answer.

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Tags

A.7(A)

Which graph best represents a quadratic function with a range of all real numbers greater than or equal to 3?

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Tags

A.6(A)

• A vertical shift up

• A horizontal shift to the left

• A vertical shift down

• A horizontal shift to the right

Tags

A.7(C)

Tags

A.8(B)

Which graph best represents part of a quadratic function with a domain of all real numbers less than −4?

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Tags

A.6(A)

Tags

A.7(C)