X^2+11x+18<0 ----- Subtract 18 from both sides
(x+2)(x+9)=0-------- Factor the left side
------Set factors equal to zero
Your answer is -9<x<-2
17.
B
Apply distributive property 2(5 - 3x) multiply 2 * 5, and 2 * -3x, you will end up with 10 - 6x.
18.
C
5*2x = 10x
5*4y = 20
Have a great day, good luck!
Answer: It’s C = 7
Step-by-step explanation:
(i) In 7x ; 7 is coefficient of x. (ii) In 7xy, the numerical coefficient of the term 7xy is 7 and the literal coefficient is xy.
Answer:
B
Step-by-step explanation:
![\sqrt[y]{ {x}^{z} } = {x}^{ \frac{z}{y} } \\](https://tex.z-dn.net/?f=%20%20%5Csqrt%5By%5D%7B%20%7Bx%7D%5E%7Bz%7D%20%7D%20%3D%20%20%20%7Bx%7D%5E%7B%20%5Cfrac%7Bz%7D%7By%7D%20%7D%20%20%20%5C%5C%20)