How many terms are in the algebraic expression 5x^4+6x^3-2x+7 A.3 B.4 C.2 D.5
2 answers:
Answer:
Option B is correct
4 terms are in the algebraic expression
Step-by-step explanation:
Terms defined as it can be a number , a constant term or a variable multiplied by a variables or variable term.
Given the expression:
here, x is the variable terms.
by definition of terms;
Terms in the given expression are:
and
Therefore, the total number of terms in the given expression is 4
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Answer:
x = y²
Step-by-step explanation:
Any point (x, y ) on the parabola is equidistant from the focus and the directrix
Using the distance formula, then
= | x + 3 |
Squaring both sides
(x - 3)² + y² = (x + 3)² ← expanding both sides
x² - 6x + 9 + y² = x² + 6x + 9 ← subtract x² + 6x + 9 from both sides
- 12x + y² = 0 ( subtract y² from both sides )
- 12x = - y² ( divide both sides by - 12 )
x = y²