Question 1

Find the slope and the $y$-intercept of the line.
-$4 x+5 y=26$

Accepted Answer

A)  Slope $-\frac{1}{4} ; y$-intercept $\left(0, \frac{5}{26}\right)$ 
B)  Slope $-\frac{4}{5} ; y$-intercept $\left(0, \frac{26}{5}\right)$ 
C)  Slope $\frac{1}{4} ; y$-intercept $\left(0, \frac{5}{26}\right)$ 
D)  Slope $\frac{4}{5} ; y$-intercept $\left(0, \frac{26}{5}\right)$ 
A)  Slope $-\frac{1}{4} ; y$-intercept $\left(0, \frac{5}{26}\right)$ 
B)  Slope $-\frac{4}{5} ; y$-intercept $\left(0, \frac{26}{5}\right)$ 
C)  Slope $\frac{1}{4} ; y$-intercept $\left(0, \frac{5}{26}\right)$ 
D)  Slope $\frac{4}{5} ; y$-intercept $\left(0, \frac{26}{5}\right)$

Question 2

Find the slope of the line going through the pair of points.
-$(6.5,0.5),(3.8,-4.4)$

Accepted Answer

A)  -4.9 
B)  -2.7 
C)  -1.8 
D)  1.8 
A)  -4.9 
B)  -2.7 
C)  -1.8 
D)  1.8

Question 3

Find an equation of the line containing the given point and having the given slope. Write the equation in slope-intercept form.
-$(12,-1), \mathrm{m}=-\frac{1}{3}$

Accepted Answer

A)  $y=\frac{1}{3} x-3$ 
B)  $y=-\frac{1}{3} x+5$ 
C)  $y=-\frac{1}{3} x+3$ 
D)  $y=-\frac{1}{3} x+\frac{11}{3}$ 
A)  $y=\frac{1}{3} x-3$ 
B)  $y=-\frac{1}{3} x+5$ 
C)  $y=-\frac{1}{3} x+3$ 
D)  $y=-\frac{1}{3} x+\frac{11}{3}$

Question 4

Find the $x$ - and $y$-intercepts for the equation. Then graph the equation.
-$x+4 y=4$

Accepted Answer

A)  $(4,0),(0,1)$
  
B)  $(1,0),(0,4)$
  
A)  $(4,0),(0,1)$
  
B)  $(1,0),(0,4)$

Question 5

Find the coordinates of the labeled points.
-

Accepted Answer

A)  $\mathrm{C}(-5,3)$; $\mathrm{D}(2,-5)$ 
B)  $\mathrm{C}(-5,-5)$; $\mathrm{D}(3,-5)$ 
C)  $C(3,6)$; $D(-5,2)$ 
D)  $\mathrm{C}(-5,3)$; $\mathrm{D}(-5,2)$ 
A)  $\mathrm{C}(-5,3)$; $\mathrm{D}(2,-5)$ 
B)  $\mathrm{C}(-5,-5)$; $\mathrm{D}(3,-5)$ 
C)  $C(3,6)$; $D(-5,2)$ 
D)  $\mathrm{C}(-5,3)$; $\mathrm{D}(-5,2)$

Question 6

Find an equation of the line that contains the given pair of points. Write the equation in the form $y=m x+b$.
-$(3,2)$ and $(3,-9)$

Accepted Answer

A)  $x=-9$ 
B)  $x=3$ 
C)  $y=2$ 
D)  $y=3$ 
A)  $x=-9$ 
B)  $x=3$ 
C)  $y=2$ 
D)  $y=3$

Question 7

Solve the problem.
-Suppose $y=m x+b$ is a mathematical model for actual time as a function of estimated time, where $y$ represents actual time and $x$ represents estimated time and $m$ and $b$ are constants. If $\mathrm{m}=1.3$ and $\mathrm{b}=-4$, find $\mathrm{y}$ when $\mathrm{x}$ is $120 \mathrm{~min}$.

Accepted Answer

A)  $114.8 \mathrm{~min}$ 
B)  $152 \mathrm{~min}$ 
C)  $125.2 \mathrm{~min}$ 
D)  $160 \mathrm{~min}$ 
A)  $114.8 \mathrm{~min}$ 
B)  $152 \mathrm{~min}$ 
C)  $125.2 \mathrm{~min}$ 
D)  $160 \mathrm{~min}$

Question 8

Find an equation of the line containing the given point and having the given slope. Write the equation in slope-intercept form.
-$(-5,6), m=-9$

Accepted Answer

A)  $y=-9 x-40$ 
B)  $y=9 x-41$ 
C)  $y=-9 x-47$ 
D)  $y=-9 x-39$ 
A)  $y=-9 x-40$ 
B)  $y=9 x-41$ 
C)  $y=-9 x-47$ 
D)  $y=-9 x-39$

Question 9

Graph.
-$2 y=7$

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

Graph the line containing the given pair of points and find the slope.
-$(2,-10)(-1,5)$

Accepted Answer

A)  -5
  
B) $-\frac{1}{5}$
  
C) $\frac{1}{5}$
  
D) 5
  
A)  -5
  
B) $-\frac{1}{5}$
  
C) $\frac{1}{5}$
  
D) 5

Find the slope and the $y$ -intercept of the line. - $4 x+5 y=26$

Find the slope of the line going through the pair of points. - $(6.5,0.5),(3.8,-4.4)$

Find an equation of the line containing the given point and having the given slope. Write the equation in slope-intercept form. - $(12,-1), \mathrm{m}=-\frac{1}{3}$

Find the $x$ - and $y$ -intercepts for the equation. Then graph the equation. - $x+4 y=4$

Find the coordinates of the labeled points. -

Find an equation of the line that contains the given pair of points. Write the equation in the form $y=m x+b$ . - $(3,2)$ and $(3,-9)$

Find an equation of the line containing the given point and having the given slope. Write the equation in slope-intercept form. - $(-5,6), m=-9$

Graph. - $2 y=7$

Graph the line containing the given pair of points and find the slope. - $(2,-10)(-1,5)$

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Exam 9: Graphs of Linear Equations

Find the slope and the yyy -intercept of the line. - 4x+5y=264 x+5 y=264x+5y=26

Find the slope of the line going through the pair of points. - (6.5,0.5),(3.8,−4.4)(6.5,0.5),(3.8,-4.4)(6.5,0.5),(3.8,−4.4)

Find an equation of the line containing the given point and having the given slope. Write the equation in slope-intercept form. - (12,−1),m=−13(12,-1), \mathrm{m}=-\frac{1}{3}(12,−1),m=−31​

Find the xxx - and yyy -intercepts for the equation. Then graph the equation. - x+4y=4x+4 y=4x+4y=4