Which of the below systems is a linear system of equations? $\begin{cases} x^2 - 2y = 7 \\ 5x + 2y = 7 \end{cases}$ $\begin{cases} x = 3 \\ y = 1 + x \end{cases}$ $\begin{cases} 3x + 1 = 9y \\ y = \log_2(x+2) \end{cases}$ Each of these systems are nonlinear.
Added by Shane A.
Close
Step 1
A linear equation is an equation of the form $ax + by = c$, where $a$, $b$, and $c$ are constants, and $x$ and $y$ are variables. Show more…
Show all steps
Your feedback will help us improve your experience
Lauren Shelton and 66 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Which system of equations could be graphed to solve the equation below? log0.5x = log3 2 + x
Lauren S.
Tim T.
Which of the following equations are linear equations in two variables? (i) $y=-2 x+7 \quad$ (ii) $x-3 y=5 \quad$ (iii) $y=-x^{2}+4 \quad$ (iv) $y^{2}=x-6$
Linear Equations in Two Variables
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD