Solve This System of Equations Using the Addition Method: Y

question 28

Multiple Choice

Solve this system of equations using the addition method: y = x + 2
Y = x - 2

• A)(2,2)
• B)(-2,2)
• C)inconsistent; no solution
• D)dependent; many solutions

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Definitions:

Backbone

The series of vertebrae extending from the skull to the tail in vertebrate animals, providing support and protecting the spinal cord.

Topoisomerases

Enzymes that relieve twists and kinks in a DNA molecule by breaking and rejoining the strands.

DNA Molecules

The carriers of genetic information in living organisms, consisting of two long chains of nucleotides twisted into a double helix.

Replication

To provide a 3' end to which DNA polymerase adds nucleotides. The RNA primer is later degraded and replaced with DNA.