Mid Unit 1 Review (THF Class)

Which of the following represents the graph of 3x + 2y = 6?)

• a)

• b)

• c)

• d)

Find the distance between (6, -2) and (-8, -10). Round to three decimal places.

• 22.000

• 16.125

• 12.166

• 8.246

Find the midpoint of the segment with endpoints (5,8) and (-4,12).

• $\left(\frac{9}{2},10\right)$

• $\left(-\frac{1}{2},10\right)$

• $\left(\frac{1}{2},10\right)$

• (1, 20)

Find an equation of the circle with center (-2,3) and radius  $\sqrt{6}$  .

•  $\left(x+2\right)^2+\left(y-3\right)^2=36$  

•  $\left(x-2\right)^2+\left(y-3\right)^2=36$  

•  $\left(x-2\right)^2+\left(y-3\right)^2=6$  

•  $\left(x+2\right)^2+\left(y-3\right)^2=6$  

Find the center and radius of the circle  $\left(x-8\right)^2+\left(y-5\right)^2=16$  

• (8,5); 4

• (8,5); 16

• (8,5); 256

• (-8,-5); 4

Determine which relation(s) is(are) not a function.

• {(5, -8), (6, 3), (5, 4), (2, 0)}

• {(0, 1), (1, 2), (-1, 2), (0, -1)}

• {(3, -4), (8, -4), (5, -2), (2, 4)}

• {(2, 4), (5, 8), (5, 3), (7, 6)}

Find the domain of the function: {(-5, -6), (2, -8), (7, 12), (-2, -8)}

• {6, -8, 12}

• {-5, 6, 2, -8, 7, 12, -2}

• {-5, 2, 7, -2}

• {6, 2, 7, 12}

Given that  $f\left(x\right)=4x^2-2x+1$  , find  $f\left(-3\right).$  

• 31

• -29

• 43

• -17

Given that  $f\left(x\right)=6x^2+x-1$  find  $f\left(a+1\right)$  .

•  $6a^2+a+6$  

•  $6a^2+13a+6$  

•  $6a^2+a+1$  

•  $6a^2+13a+5$  

Find the domain of  

 $f\left(x\right)=\sqrt{36-x^2}$ 

•  $\left(-\infty,\infty\right)$  

•  $\left(-\infty,-6\right]\cup\left[6,\infty\right)$  

•  $\left[-6,6\right]$  

•  $\left(-6,6\right)$