heavenxleah heavenxleah

24-03-2017
Mathematics

contestada

What is the expression in factored form?

9x2 - 12x + 4

A. (3x - 2)2
B. (-3x - 2)2
C. (-3x + 2)(3x - 2)
D. (3x + 2)2

Respuesta :

JoshEast JoshEast

24-03-2017

9x² - 12x + 4

write the equation with two middle terms that multiply to give 36
9x² - 6x - 6x + 4

by factorisation
3x(3x - 2) - 2(3x - 2)

(3x - 2)²

Thus OPTION A

Answer Link

Otras preguntas

Find the measure of angle A. Angle 1. x+59 Angle 2. 84 Angle 3. x+51 I already know x= -7 But the measure of angle A is on the outside of the triangle

For which bodies in the solar system do we have data about the subsurface layers? (As opposed to indirect evidence supporting the layered model). [Mark all corr

What emotions are associated with the color black

What is the cause of Portia’s weariness?

Thom needs 3/4 yard of brown fabric, 2/4 yard of blue fabric, and 3/4 yard of green fabric to make some costumes for a play.

Why is it that no trait is perfect? ( evolution )

A lot is 60 m by 38 m. A house 32 m by 9 m is built on the lot. How much area is left over?

I need this answered please

how many people in the world are Muslim?

A car travels at an average speed of 100km per hour. What distance does it cover in 5hrs