What is the role of the H value in the vertex form of a quadratic equation?
Identify the x intercepts as well as vertex for a quadratic in standard form, y=x^2 -15

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It shifts the graph left or right.
It reflects the graph over the x-axis.
It shifts the graph up or down.
It changes the width of the graph.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the vertex form of a quadratic equation, if K is -15, what does it indicate?
The graph shifts 15 units up.
The graph shifts 15 units to the left.
The graph shifts 15 units to the right.
The graph shifts 15 units down.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the vertex using the formula -b/2a?
By finding the square root of a.
By multiplying a and b.
By substituting the values of a and b into the formula.
By adding a and b together.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the quadratic equation when y is set to zero?
Add 15 to both sides.
Subtract 15 from both sides.
Multiply both sides by 15.
Divide both sides by 15.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the square root method, why must both positive and negative roots be considered?
Because the equation is exponential.
Because the equation is linear.
Because the equation is quadratic.
Because the equation is cubic.
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