Answer:
(y - 2)²
Step-by-step explanation:
9y² - 12y + 4 ← is a perfect square of the form
(ax - b)² = a²x² - 2abx + b²
Compare like terms with 9y² - 12y + 4, thus
a² = 9 ⇒ a = 3
b² = 4 ⇒ b = 2 and
- 2ab = - 2 × 3 × 2 = - 12
Thus
9y² - 12y + 4 = (3y - 2)²
Answer:
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Step-by-step explanation:
Answer:
4% probability that fazio selects a striped jersey both times.
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
In this problem:
For each jersey, there are 2+5+3 = 10 possible options, two of which are striped.
So twice 2/10

4% probability that fazio selects a striped jersey both times.
Answer:m1=-3,m2=3 the equation has 2 solutions