8. Solving Quadratic Equations
8.03 Solving quadratic equations using square roots
Adaptive
Worksheet
Interactive practice questions
How many real solutions does the following equation have?
a
$x^2-64=0$x2−64=0
None
A
1 solution
B
2 solutions
C
More than 2 solutions
D
b
$x^2+64=0$x2+64=0
None
A
1 solution
B
2 solutions
C
More than 2 solutions
D
Easy
< 1min
Solve the equation $x^2=25$x2=25.
Write all solutions on the same line, separated by commas.
Easy
< 1min
Solve the following equation for $x$x:
$x^2=81$x2=81
Easy
< 1min
Solve for $x$x, expressing your answer in exact radical form.
$x^2=98$x2=98
Easy
1min
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