Algebra STAAR Level 1

The quadratic function is shown on the grid. Which fucntion is best represented by this graph?

An exponential function is graphed on the grid. Which function is best represented by the graph?

The table shows a linear relationship between x and y. What is the rate of change of y with respect to x?

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• A

• B

• C

• D

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Which statement best describes the y-intercept of the graph?

• The water level increased by 0.25 ft per day

• The maximum water level was 19.5 ft

• The initial water level was 16 ft

• The water level was measured for 14 days

• 200 sq ft/gal

• 1/200 sq ft/gal

• 400 sq ft/gal

• 1/400 sq ft/gal

• 40

• 4

• 60

• 1.5