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chapter6
| Question | Answer |
|---|---|
| Quadratic | This words in todays world refers to expressions,equations, that involve sums of constants and first and second powers of variables and no higher powers. |
| Quadratic expression | EQ) ax^2 + bx + c |
| quadratic equation | EQ)ax^2 +bx + c=0 in the variable x and f:x yields ax + bx + c |
| Binomial square theorem | for all real numbers x and y, (x+y)^2=x^2 +2xy +y^2 and (x-y)^2=x^2-2xy+y^2 |
| Absolute value | The absolute value of a number can be defiened piecewise as lxl=x,fpr x>0 lxl=-x for x<0 |
| Acceleration due to gravity | EQ)h=1/2gt^2 + v0t + h0. velocity is the rate of change of position with respect of time. |
| Perfect square trinomial | EQ)x +h)^2=x^2 + 2hx + h^2.It is called this because it is the square of a binomial. |
| Quadratic formula theorem | if ax^2 + bx + c =0 and a is not equal to 0 then x = -b + or - the square root -4ac all over 2a. Think of song! |
| Complex number | When a real number and an imaginary number are added, the sum is the complex number. EQ) a+bi EX) -3 +4Iis a complex number |
Created by:
kaleighbrown
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