Solve the System of Equations Using Substitution $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 4 \\x + y = 2\end{array} \right.$$

question 228

Multiple Choice

Solve the system of equations using substitution.
- $$\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 4 \\x + y = 2\end{array} \right.$$

• A) \(x = 0 , y = 0 ; x = 2 , y = - 2\)
• B) \(x = 0 , y = - 2 ; x = - 2 , y = 0\)
• C) \(x = 2 , y = - 2 ; x = - 2 , y = - 2\)
• D) \(x = 0 , y = 2 ; x = 2 , y = 0\)

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Definitions:

Meiosis I

The first division in meiosis where a single cell divides into two cells, each with half the number of chromosomes, leading to genetic diversity.

Chromosome Number

The total number of chromosomes in a cell of an organism, important for genetic characteristics and species differentiation.

Metaphase I

A phase of meiosis where homologous chromosomes align at the equatorial plate before being separated into daughter cells.

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that have the same gene structure and sequence, inherited from each parent, which pair up during meiosis.