Answer:
Step-by-step explanation:
Only one of them has a < b in ax² + by² = c formula, making its graph horizontal
All the rest are vertical, see attached
quadratic equations can be soled by 3 methods
factorization
completing square
quadratic formula
but factorization is the simplest
Answer:
p(x) = (5x - 1) (x + 4) (x - 2)
Answer:
Step-by-step explanation:
Given
Required
Determine the inequality
Assume she wants to buy n CDs.
If 1 CD costs $10, then n CDs costs 10n.
So, the inequality is:
<em>We used </em><em> because the amount she wants to spend cannot exceed 30</em>
Divide both sides by 10, to solve for n