Answer:
85
Step-by-step explanation:
The 9 th square number is 9² = 81
The 2 nd square number is 2² = 4
sum = 81 + 4 = 85
Answers:
1.) -x - 5
2.) 11x^2 + 5x
3.) 13x + 2y +3y^2
4.) -12x - 2
5.) -24
Sorry, it won’t somehow let me attach a picture of my work on paper :(
But hopefully this helps! :)
Answer: D. ( -7, - 2 )
Step-by-step explanation:
Rewrite this in vertex form and use this to find the vertex. ( h, k )
I haven’t done math in forever, do you want us to simplify it? Bc it would be 2x+8=-16=4x+6 but I’m not sure