Solve the System of Equations by the Substitution Method $$\begin{aligned}y & = 5 x + 4 \\5 y - 15 x & = 30\end{aligned}$$

question 201

Multiple Choice

Solve the system of equations by the substitution method.
- $$\begin{aligned}y & = 5 x + 4 \\5 y - 15 x & = 30\end{aligned}$$

• A) \(\{ ( 1,9 ) \}\)
• B) \(\{ ( 9,1 ) \}\)
• C) \(\{ ( - 1,9 ) \}\)
• D) \(\varnothing\)

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Definitions:

IQ

An abbreviation for Intelligence Quotient, a measure of an individual's cognitive abilities in relation to their age group, typically assessed by standardized tests.

Terman's Development

Pertains to the longitudinal study directed by psychologist Lewis Terman, focusing on the development and characteristics of gifted individuals throughout their lives.

Reliable

A term describing the consistency and dependability of a measurement, process, or entity.