Quadratic, Linear, and Exponential to Equations

Quiz by Sofia Guerrero

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12 questions
• Q1

The graph of a linear function is shown on the grid. Which function is best represented by this graph?

$g\left\left(x\right\right)=\ -\frac\left\{2\right\}\left\{3\right\}x\ +\ 4$

$g\left\left(x\right\right)=\ -\frac\left\{3\right\}\left\{2\right\}x+6$

$g\left\left(x\right\right)=6x+4$

$g\left\left(x\right\right)=4x\ -\frac\left\{2\right\}\left\{3\right\}$

120s
• Q2

The table represents some points on the graph of linear function f. Which function represents f?

$f\left\left(x\right\right)=\ -26\left\left(2x-1\right\right)$

$f\left\left(x\right\right)=\ 26\left\left(x-2\right\right)$

$f\left\left(x\right\right)=13\left\left(x-2\right\right)$

$f\left\left(x\right\right)=\ -2\left\left(26x-1\right\right)$

120s
• Q3

The graph of a linear function is shown on the grid. Which equation is best represented by this graph?

$y+2\ =\ \frac\left\{7\right\}\left\{5\right\}\left\left(x+7\right\right)$

$y-2\ =\ \frac\left\{7\right\}\left\{5\right\}\left\left(x-7\right\right)$

$y-2=\ \frac\left\{5\right\}\left\{7\right\}\left\left(x-7\right\right)$

$y+2=\ \frac\left\{5\right\}\left\{7\right\}\left\left(x+7\right\right)$

120s
• Q4

The table shows the amount of  pet food in cups remaining in an automatic feeder as a function of the number of meals the feeder has dispensed.

Based on the table, which function models this situation?

$f\left\left(n\right\right)=-3n+24$

$f\left\left(n\right\right)=\ -3n\ +\ 64$

$f\left\left(n\right\right)=\ -\frac\left\{1\right\}\left\{3\right\}n\ +\ 16$

$f\left\left(n\right\right)=\ -\frac\left\{1\right\}\left\{3\right\}n\ +\ 8$

120s
• Q5

At a restaurant jars of tomato sauce are stored in boxes in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from 1 of the boxes.

Which function shows the relationship between y, the total number of jars of tomato sauce remaining in the pantry, and x, the number of boxes in the pantry?

$y=8x+6$

$y=6x$

$y=8x$

$y=8x-2$

120s
• Q6

The table represents some points on the graph of a linear function. Which equation represents the same relationship?

$y+268=\ \frac\left\{1\right\}\left\{12\right\}\left\left(x+20\right\right)$

$y+20=\ \frac\left\{1\right\}\left\{12\right\}\left\left(x+268\right\right)$

$y+268=12\left\left(x+20\right\right)$

$y+20=12\left\left(x+268\right\right)$

120s
• Q7

A company collected data for the number of text messages sent and received using a text-message application since October 2011. The data table shows the number of text messages sent and received in billions over time. The data can be modeled by a quadratic function.

Which function best models the data?

$n\left\left(t\right\right)=0.072t^2-0.15t+2.73$

$n\left\left(t\right\right)=-0.002t^2+5.02$

$n\left\left(t\right\right)=0.072t^2+2.73$

$n\left\left(t\right\right)=-0.002t^2+0.55t+5.02$

120s
• Q8

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 best be used to model this situation?

$h\left\left(t\right\right)=99t^2+1,470.3$

$h\left\left(t\right\right)=-4.9t^2+295t+0.6$

$h\left\left(t\right\right)=99t^2+858$

$h\left\left(t\right\right)=\ -4.9t^2+295t+2$

120s
• Q9

The graph shows the number of game consoles sold in millions since 2009. Based on the information, which function best models the number of game consoles sold in millions x years since 2009?

$g\left\left(x\right\right)=25.5\left\left(0.6\right\right)^x$

$g\left\left(x\right\right)=6.12\left\left(25.5\right\right)^x$

$g\left\left(x\right\right)=25.5\left\left(6.12\right\right)^x$

$g\left\left(x\right\right)=0.6\left\left(25.5\right\right)^x$

120s
• Q10

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

Which function represents this relationship?

$f\left\left(x\right\right)=16\ \left\left(\frac\left\{2\right\}\left\{3\right\}\right\right)^x$

$f\left\left(x\right\right)=16\left\left(\frac\left\{3\right\}\left\{2\right\}\right\right)^x$

$f\left\left(x\right\right)=36\left\left(\frac\left\{2\right\}\left\{3\right\}\right\right)^x$

$f\left\left(x\right\right)=36\left\left(\frac\left\{3\right\}\left\{2\right\}\right\right)^x$

120s
• Q11

An exponential function is graphed on the grid.

Which function is best represented by the graph?

$g\left\left(x\right\right)=6\left\left(3\right\right)^x$

$g\left\left(x\right\right)=6-\left\left(3\right\right)^x$

$g\left\left(x\right\right)=6-\left\left(\frac\left\{1\right\}\left\{3\right\}\right\right)^x$

$g\left\left(x\right\right)=6\left\left(\frac\left\{1\right\}\left\{3\right\}\right\right)^x$

120s
• Q12

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

Which function represents the same relationship?

$f\left\left(x\right\right)=15\left\left(\frac\left\{5\right\}\left\{6\right\}\right\right)^x$

$f\left\left(x\right\right)=18\left\left(\frac\left\{6\right\}\left\{5\right\}\right\right)^x$

$f\left\left(x\right\right)=15\left\left(\frac\left\{6\right\}\left\{5\right\}\right\right)^x$

$f\left\left(x\right\right)=18\left\left(\frac\left\{5\right\}\left\{6\right\}\right\right)^x$

120s

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