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An algebraic equation of the second degree in x. It is written in the form, ax2 + bx + c = 0.
QUADRATIC EQUATION
What are the formulas of the SUM AND PRODUCT OF THE ROOTS?
Sum of the Roots: -b/a
Product of the Roots: c/a
DOUBLE POINTS!!
What is the formula of AREA OF A RECTANGLE?
A = lw
What is the formula of Perimeter of a Rectangle?
P = 2l + 2w or P = 2 (l + w)
Give the formula of constructing a quadratic equation if the roots are given?
x2 - (sum)x + product = 0
DOUBLE POINTS!!!
TRANSLATE: The square of a positive number decreased by 5 times the number is 24.
x2 — 5x = 24
A rectangular mini basketball court for kids has an area of 48 ft2 and a perimeter of 32 ft.
Area of a Rectangle
48 ft2 = lw
Perimeter of the Rectangle:
32 ft = 2l + 2w
+2 points
TRANSLATE: The length of a garden is 5 m longer than its width, and the area is 66 m2.
66 = x (x + 5)
DOUBLE POINTS!!