What is the formula for finding the Axis of Symmetry?
x = -b/2a
100
Find the vertex for y = x² + 2x
What is (-1, -1)
100
What is the quadratic formula?
x = "negative b plus or minus the square root of b squared minus 4ac all over 2a"
100
Solve x² + 2x = 48 by completing the square.
What is x = -8 or x = 6?
100
Tell whether the graph of the quadratic function y=-6x² -2x+2 opens upward or downward.
What is downward?
200
Find the axis of symmetry for y = 3x² + 12x + 2
What is x = -2
200
Find the vertex for y= -3x² + 4
What is (0, 4)
200
Find the roots of 2x² + 3x - 5 = 0
What is x = 1 or x = -5/2
200
Solve x² + 4x = 21 by completing the square.
What is x = -7 or x = 3?
200
Tell whether the graph of the quadratic function y - x² = 10x + 1 opens upward or downward.
What is opens upward?
300
Find the axis of symmetry for y = -3x² + 10x + 9
What is x = 5/3
300
Find the vertex for y= 2x² - 4x - 6
What is (1, -8)
300
Using the quadratic formula, find the roots of 2x = x² - 3
What is x = 3 or x = -1
300
Complete the square to find the roots for x² - 6x = -5
What is x = 5 or x = 1
300
Name three other words for solutions of quadratic equations
What are roots, x-intercepts, and zeros?
400
Where is the axis of symmetry of a parabola located?
The A.O.S is the vertical line passing through the vertex that divides the parabola into 2 symmetric halves. It passes through the x-coordinate of the vertex.
400
Tell whether the following statement is sometimes, always, or never true:
"The vertex of a parabola occurs at the minimum value of the function"
What is sometimes
400
Using the quadratic formula, find the roots of x² -6x = -9
What is x = 3
400
Complete the square to find the roots of y² + 6y = -2
What is "-3 plus or minus the square root of 7"
400
The _______ is the highest or lowest point on a parabola.
What is the vertex?
500
Find the axis of symmetry for y - 2x² - 4x = 1
What is x = -1
500
Find the vertex for y - 8x = 16 - x²
What is (4, 32)
500
Using the quadratic formula, find the roots of x² + 3x - 7 = 0
What is "-3 plus or minus the square root of 37 all over 2"
500
Solve by completing the square:
x² - 6x + 9 = 0
What is x = 3
500
Name one way you can lose points in Ms. E's class.
What is phone out, phone not given, headphones out, headphones not given, out of seat, etc.