use the quadratic formula) 2x2 – 6x – 20 = 0 b) 6x2 – 5x -6 = 0 2) Find the equation of the line joining the points (2, 6) and (-2, 0) 3) Two numbers when multiplied equals 36. One number is x and the other is greater than x by 5 a) Represent the information given in equation form b) Express as a quadratic equation c) Solve the quadratic equation to find possible values for x d) If told that the two number were positive, give the values of the two original numbers.
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
1) Solve the following
2x2 – 6x – 20 = 0 b) 6x2 – 5x -6 = 0
2) Find the equation of the line joining the points (2, 6) and (-2, 0)
3) Two numbers when multiplied equals 36.
One number is x and the other is greater than x by 5
a) Represent the information given in equation form
b) Express as a quadratic equation
c) Solve the quadratic equation to find possible values for x
d) If told that the two number were positive, give the values of the two original numbers.
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