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Timed Test For
Number of solutions to a system of equations algebraically
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Sample Problem
$\begin{align} & 10x+3y = 9 \\\\ & -20x-6y = -18 \end{align}$ **How many solutions does the system have?** [[☃ radio 1]]
10
x
+
3
y
=
9
−
20
x
−
6
y
=
−
18
\begin{aligned} & 10x+3y = 9 \\\\ & -20x-6y = -18 \end{aligned}
1
0
x
+
3
y
=
9
−
2
0
x
−
6
y
=
−
1
8
How many solutions does the system have?
Choose 1 answer:
Choose 1 answer:
A
Exactly one solution
B
Infinitely many solutions
C
No solutions
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)
