Vocabulary
The u-shaped graph shown by a quadradic.
What is a parabola?
The x-value that satisfies the equation:
(x + 2)2= -1x
A. x = 1
B. x = -1
C. x = 2
What is B. x = -1?
Find the sum: 12x2 + 8x2
What is 20x2?
Find the zeros of y = 3(x - 4)(x + 2).
What are (4, 0) and (-2, 0)?
(x + 9)(x - 7)
What is x2 + 2x - 63?
The line that passes through the vertex and divides a parabola into two symmetric parts.
What is the axis of symmetry?
The x-value that satisfies the equation:
2x(x - 3)= 8
A. x = 8
B. x = 2
C. x = 4
What is C. x = 4?
Simplify: (4x - 5) + (9x + 2)
What is 13x - 3?
Find the y-intercept of y= x2 + 10x -11.
What is (0, -11)?
Multiply (x + 2)(4x - 3)
What is 4x2 + 5x - 6?
The lowest or highest point on a parabola.
What is the vertex?
The solution to the equation:
-1(x - 3)2= x - 9
A. x = 5
B. x = -3
C. x = 3
What is A. x = 5?
Simplify: (6x2 + 2x + 7) + (3x2 + 5x - 1)
What is 9x2 + 7x + 6?
Find the vertex of y = -2(x + 5)2 + 6 = 0
What is (-5, 6)?
Multiply (2x - 3)(2x + 1)
What is 42 - 4x - 3?
The most basic quadratic function in the family of quadratics.
What is the parent function y = x2?
The two x-values that satisfies the equation:
2(x + 2)2 - 5= -3
A. x = 1 and x = -3
B. x = -1 and x = -3
C. x = -1 and x = 3
What is B. x = -1 and x = -3
Simplify: (6x2 + 2x + 7) - (3x2 + 5x - 1)
What is 3x2 - 3x + 8?
Describe the two transformations:
y = (x - 8)2 + 4
What are moves 8 units right and 4 units up?
Multiply (5x - 6)(5x + 6)
What is 25x2 - 36?
The name for the place or places a parabola crosses the x-axis.
What is x-intercepts, roots or zeros?
The two x-values that satisfies the equation:
-2x2 + 5x + 3= x - 3
A. x = 1 and x = -3
B. x = -1 and x = -3
C. x = -1 and x = 3
What is C. x = -1 and x = 3?
Simplify: (2x2 - x + 3) - (5x2 + 3x - 7)
What is -3x2 - 4x + 10?
Describe the three transformations:
y = -(x + 3)2 - 1
What are moves 3 units left, 1 unit down, and reflected down?
Multiply (2x + 7)(3x + 7)
What is 6x2 + 35x + 49?