Quiz about Writing Linear Functions

Question 1

Write an equation in point-slope form of the line that passes through the point (5,3) and has a slope of 1/2

Accepted Answer

$$y-3=\frac{1}{2}\left(x-5\right)$$

Answer

$$y-5=\frac{1}{2}\left(x-3\right)$$

Answer

$$y\ =\ \frac{1}{2\ }x+\frac{1}{2}$$

Answer

$$y=\frac{1}{2}x-\frac{1}{2}$$

Question 2

Write an equation in slope-intercept form of a line that passes through (-1,-6) and (3, -2)

Accepted Answer

$$y\ =\ x\ -5$$

Answer

$$y-2=-1\left(x-3\right)$$

Answer

$$y\ =\ -x\ -\ 5$$

Answer

$$y+6=\left(x+1\right)$$

Question 3

Write an equation of the line described

Accepted Answer

$$y=-x+12$$

Answer

$$y\ =\ -x\ +1$$

Answer

$$y\ =\ x\ -\ 12$$

Answer

$$y=-x-1$$

Question 4

Write an equation of the line described

Accepted Answer

$$y\ =\ \frac{7}{9}x-2$$

Answer

$$y\ =-\frac{9}{7}x\ +2$$

Answer

$$y=\frac{7}{9}x\ +2$$

Answer

$$y=-\frac{9}{7}x-2$$

Question 5

write an equation for the nth term of the arithmetic sequence 55, 60, 65, 70 , ...

Accepted Answer

$$50\ -\ 5n$$

Answer

$$60\ -\ 5n$$

Answer

$$55n\ -\ 50$$

Answer

$$60\ +\ 55n$$

Question 6

Use the equation for the nth term of the arithmetic sequence 55, 60, 65, 70 , ...

to find the 50th term.

Accepted Answer

300

Answer

-300

Answer

-200

Answer

250

Question 7

Select the function represented by the graph

Accepted Answer

Option A is correct

Answer

B.

Question 8

select the function represented by the graph

Accepted Answer

Option B is correct

Answer

A.

Question 9

Select the function that represents the arithmetic sequence

Accepted Answer

$$f\left(n\right)=47n\ +\ 10$$

Answer

$$f(n)=57x+104$$

Answer

$$f\left(n\right)=47x+1$$

Answer

$$f\left(n\right)=57x$$

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