 4 years ago
tjones823
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Practice 16 QuestionsShow answers
• Question 1
60 seconds Q. Is this a max or min?
max
min
cannot be determined
• Question 2
60 seconds
Q. True or false:
The solution, root, x-intercept, and zero of a problem 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
• Question 3
300 seconds
Q.

Identify the 'b' value: y = 16x2 -8x -24

16

-8

8

-24

• Question 4
60 seconds Q. What are the x- intercepts?
x= 0 and x= -4
x= 0 and x= 4
y= 0
x= 2
• Question 5
60 seconds
Q. Which answer choice describes  y = -3x2 +7x - 2 accurately?
opens up with a maximum
opens up with a minimum
opens down with a maximum
opens down with a minimum
• Question 6
60 seconds
Q. y=2x2-6x+1 is in what form?
Vertex Form
Factored form
Standard Form
Cannot be determined
• Question 7
60 seconds Q. .How many zeros does this parabola have?
3
2
0
1
• Question 8
60 seconds
Q. Does the following quadratic equation have a maximum or minimum value? How can you tell?
y=x
²+2x-3
Minimum value, because the a value is positive
Maximum value, because the b value is positive
Maximum value, because the a value is positive
Minimum value, because the c value is negative
• Question 9
60 seconds
Q. What is the domain of f(x)=x²-4 ?
−∞ ≤ x ≤ +∞
x ≥ -4
−∞ ≤ y ≤ +∞
y ≥ -4
• Question 10
300 seconds Q. Solve the equation using the quadratic formula.
A
B
C
D
• Question 11
60 seconds Q. What is the arrow pointing at? How can you use this value?
The arrow is pointing at the y-intercept. The x-value is the axis of symmetry and the y-value of this point is equivalent to the maximum/minimum
The arrow is pointing at the vertex. The x value of this point is equivalent to the maximum/minimum and the y-value is the axis of symmetry
The arrow is pointing at the solution. The y value of this point is equivalent to the maximum and the x value is equivalent to the minimum
The arrow is pointing at the vertex. The x-value is the axis of symmetry and the y-value is equivalent to the minimum/maximum
• Question 12
300 seconds Q. Solve the equation using the quadratic formula.
• Question 13
300 seconds Q. Solve using the quadratic formula
• Question 14
60 seconds Q. How many solutions does this graph have?
one
two
no solutions
cannot be determined
• Question 15
60 seconds Q. How many solutions does this graph have?
one
two
no solutions
cannot be determined
• Question 16
60 seconds Q. How many solutions does this graph have?