Vocabulary
The u-shaped graph shown by a quadratic.
What is a parabola?
Solve using the square root property:
(x + 2)2= -1
{-2+i, -2-i}
Add: (6x2 + 2x + 7) + (3x2 + 5x - 1)
What is 9x2 + 7x + 6?
Write as a decimal: 3x10-4
What is 0.0003?
Write as a fraction: 3x-4
What is 3/x4?
The name for the place or places a parabola crosses the x-axis.
What are the x-intercepts?
Solve using the quadratic formula:
x(x - 3)= 4
{4, -1}
Subtract: (6x2 + 2x + 7) - (3x2 + 5x - 1)
What is 3x2 - 3x + 8?
Find the y-intercept of y= x2 + 10x -11.
What is (0, -11)?
Multiply x2(4x3)
What is 4x5?
The lowest or highest point on a parabola.
What is the vertex?
Solve using the square root property:
-1(x - 3)2= -9
{0, 6}
Multiply: (x + 2)(4x - 3)
What is 4x2 + 5x - 6?
Simplify (3x10-4)(2x102).
What is 6x10-2?
Simplify (3x-4)(2x2).
What is 6x-2?
The line that passes through the vertex and divides a parabola into two symmetric parts.
What is the axis of symmetry?
Solve using the square root property:
2(x + 2)2 - 5= -3
{-1, -3}
sqrt(45) + sqrt(125)
8sqrt(5)
Multiply (5x - 6)(5x + 6)
What is 25x2 - 36?
Simplify: sqrt(x^6)
What is x3?
The number multiplied by the highest power of x in a polynomial.
What is the leading coefficient?
Solve the equation:
-2x2 + 5x + 3 = x - 3
{-1, 3}
Simplify 2x4 - 3x3+12x2 divided by 6x2
What is x2 /3 - x/2 + 2?
Multiply (5x - 6)2
What is 25x2 - 60x + 36?
Write as a radical: x-3/2
1/sqrt(x^3)=sqrt(x)/x^2