Which of the following is the correct vertex form of the quadratic f(x)=x²+2x-5 ?

A fx) = (x+1)^2 + 6
B f(x)=(x-1)^2 -6
C f(x) = (x + 1)²-6
D f(x) = (x - 1)^2+6

The chart below shows the distribution of weeds in yard

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?