Algebra Unit 7 Extra Credit Practice

How many solutions would this have?

• no solution

• 3 solutions

• 2 solutions

• 1 solution

 $5x^2+7x-32?$  

What is the value of A in the equation above?

• 5

•  $x^2$  

• 7

• 32

f(x) or h(t) in a word problem represents which value?

• x

• y

• f

• h

 $\ x^2+5x-14$  

Which strategy would you use to determine length and width when given the above equation as area?

• factor

• distribute

• graph on calculator

• multiply by 2

Which of the following statements is false?

• Opposite b or negative b will work in the quadratic formula.

• b squared minus 4 a c is the discriminant.

• You can take the square root of a negative number.

• 2 solutions means you can find 2 values on the x axis.

 $\frac{\sqrt{98}}{2}$  
When simplifying a radical expression (given above), what is the last step?

• dividing by 2 to simplify 

• taking the square root of 98

• removing pairs to the outside

• upside down birthday cake diagram

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

True or false:

The solution, root, x-intercept, and zero are all the same thing.

• True

• False, because the solution and root are the same but the x-intercept and zero are different

• False, because the x-intercept and root are the same but the zero and solution are different

• False, they are all different

What are the zeroes of this graph?

• x = -4 and 2

• x= -1 and 0

• x = 9 and -8

• x= 4 and -2