Topic Quiz (Quadratic equations)

Topic Quiz (Quadratic equations)

Open Ended

Find the values of a, b and c in the following equations:

$$2x^2-3x+4=0$$

$$-6x^2+4x=0$$

Open Ended

Write an equation of the form $$ax^2+bx+c=0$$ for a triangle with base $$2x+4$$ , height $$x+3$$ and area of $$14\ cm^2$$ .

Open Ended

A rectangle of width $$2x+4$$ and height $$x+3$$ has an area of $$12\ cm^2$$ . What is the value of x?

Open Ended

Solve by factorization:

$$x^2-x-12=0$$

Open Ended

Solve by using the quadratic formula:

$$2x^2-7x+3$$