Solve the System of Equations Using Determinants $$\begin{array} { l } 0.8 x - 0.5 y = 0.9 \\0.7 x + 0.4 y = - 3.4\end{array}$$

question 45

Multiple Choice

Solve the system of equations using determinants.
- $$\begin{array} { l } 0.8 x - 0.5 y = 0.9 \\0.7 x + 0.4 y = - 3.4\end{array}$$

• A)(-2, -5)
• B)(-1.5, 1)
• C)(-1.5, -4.2)
• D)(-2, 1)

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Definitions:

Epiblast

An early embryo layer from which all the three primary germ layers develop during gastrulation in the formation of a vertebrate body.

Notochord

A flexible rod-like structure in the early stages of embryos in all chordates, providing skeletal support.

Blastocoel

The fluid-filled cavity of a blastula.

Archenteron

The primitive gut formed during the early development of an embryo, which later differentiates into the digestive tract of an animal.