****STAAR Review Lists and Spreadsheets

The table represents some points on the graph of a linear function.

Which function represents the same relationship?

• h(x) = -3x−10.5

• h(x) = -x−3.5

• h(x) = 3x−10.5

• h(x) = x−3.5

The table represents some points on the graph of a linear function.

What is the rate of change of y with respect to x for this function?

• 2/9

• -9/2

• 9/2

• -2/9

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?

• 307,000

• 278,500

• 471,500

• 158,000

The table contains some points on the graph of an exponential function.

Based on the table, which function represents the same relationship?

• q(x) = (0.25)^x

• q(x) = 256(0.25)^x

• q(x) = 0.0625(4)^x

• q(x) = 0.5(4)^x

A projectile is launched into the air from the ground. The table shows the height of the projectile, h(t), at different times. Based on the table, which quadratic function can be used to model this situation?

• h(t) = 99t² + 858

• h(t) = -4.9t² + 295t + 0.6

• h(t) = -4.9t² + 295t + 2

• h(t) = 99t² + 1470.3

What is the y-intercept of the line graphed on the grid?

• -2

• 7

• 5.5

• 1

The exponential function modeled below represents the number of square kilometers of land occupied by cane toads x year after this animal was first introduced into Australia. Based on the data, which measurement is closest to number of square kilometers of land that will be occupied by cane toads 40 years after this animal was first introduced?

• 550,000 km²

• 1,250,000 km²

• 600,000 km²

• 800,000 km²

Which of the following is equivalent to

5x + 2y = 12

• y = 2/5x + 3

• y = -5/2x - 8

• y = 2/5x

• y = -5/2x + 6

The following table represents the number of days a person works and how much money he has saved up. The relationship between the days he works and the money he saves can be represented with a linear function. Based on the data, what is the best estimate of the amount of money he will save in 67 days?

• $100

• $166

• $137

• $212

What is the slope of the line that passes through the points

(-5, -12) and (5, 16)?

• 10/7

• 7/8

• 10

• 14/5