Scatterplot and Table of a Quadratic Function

What type of function does this scatterplot represent?

• constant function

• linear function

• quadratic function

• cubic function

Look at this curve of best fit. Read off the graph and determine what the y value would be when the x value is 7.

• 260

• 240

• 140

• 320

When using Desmos to find the curve of best fit for a quadratic function, what do I need to enter?

• y₁ ~ mx₁ + b

• y₁ ~ ax₁³ + bx₁² + cx₁ + d

• y₁ ~ ax₁² +bx₁ + c

• y = ax² + bx + c

The scatterplot and table show the weekly profit in dollars earned from the sale of pastries at seven different prices. The data can be modeled by a quadratic function.

Which function best models the data?

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 function can be best used to model this situation?

Which graph best represents the table of values shown?

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Amery recorded the distance and height of a basketball when shooting a free throw as shown in the table. Which equation most closely represents a curve of best fit for the data?

Given the following scatterplot, which equation best models the data?