Week 4 MATH17688

Solve the following equations by factoring:

(𝑥+2)^2=9

Solve the following equations by factoring:

6𝑥^2 − 13𝑥 + 6=0

Solve the following equations by factoring:

10𝑥^2 − 17𝑥 + 3 = 0

Solve following equations by method of completing the square:

𝟑𝒙^𝟐 + 𝟏𝟐𝒙 −𝟏𝟖=𝟎

Solve following equations by method of completing the square:

𝒙^𝟐 + 𝟑𝒙 − 𝟒 = 𝟎

Solve following equations by method of completing the square:

𝒑𝒙^𝟐 + 𝟐𝒒𝒙 + 𝒓 = 𝟎

A rectangular concrete pipe is constructed with a 10.0 in by 16.0 in interior channel as shown. What uniform width w of concrete must be formed on all sides if the total cross-sectional area of the concrete must be 19 in^2.