FUNCTIONS AS GRAPHS quiz 10th B

Consider the function in DESMOS showed above.

What is its Domain?

• All numbers

• [-5,14]

• [-4,6]

• [-7,7]

• none of above

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Consider the function above. Choose all true sentences.

• the function is decreasing in the Intervals [-4,-2] and [2,4]

• the relative maximum and minimum points are x=-2,0,3.

• the equation is a polynomial of odd degree

• the zeros of the function are x = -2, 0, 3

• the function is negative in the Interval [-2,0]

Consider the above ellipse. Choose all true sentences.

• the Center of the ellipse is (-2,3)

• the x-semiaxis measure 9 units

• the y-semiaxis measure 5 units.

• the ellipse focci are on a horizontal line

• the standard equation showed is equivalent to 9y^2 + 25x^2 +100x -54y -44 = 0

Tags

CCSS.HSG.GPE.A.1

Use DESMOS or your knowledge to graph the equation

 $\frac{\left(x-5\right)^2}{36}+\frac{\left(y+4\right)^2}{49}=1$  
and tell me what of the options is it.

• 
• 
• 
• 
• non of the above

Given the equation

 $\left(y-10\right)=-\frac{2}{5}\left(x-2\right)^2$  
Choose all true sentences

• the equation represents a horizontal parabola

• the vertex of the parabola is (2,10)

• the equation is actually a function and it has only one relative maximum

• the directriz of the parabola is a horizontal line higher than 10

• it has no focci at all.

If you graph the equation

 $y^2=-\frac{5}{2}\left(x-10\right)$  
What you get

• 
• 
• 
• 
• none of the above

If you want to draw in DESMOS this all bicicle model, which functions do you could use. Write the equations.