Question
Evaluate -4x^2+ 4x - 5 at the point x = 4
218
likes1089 views
Answer to a math question Evaluate -4x^2+ 4x - 5 at the point x = 4
Lurline
4.6107 Answers
1. Substitute \( x = 4 \) in the expression \(-4x^2 + 4x - 5\).
2. Calculate \((-4)(4)^2\):
-4 \cdot 16 = -64
3. Calculate \(4 \cdot 4\):
4 \cdot 4 = 16
4. Subtract 5:
-64 + 16 - 5
5. Simplify:
-64 + 16 = -48
-48 - 5 = -53
6. Final answer:
-61
2. Calculate \((-4)(4)^2\):
3. Calculate \(4 \cdot 4\):
4. Subtract 5:
5. Simplify:
6. Final answer:
Frequently asked questions (FAQs)
What is the limit of the sequence (n^2)/3n as n approaches infinity?
+
Question: Solve the expression 7x(3 + 2x) - 4x(5 - x) using the distributive property.
+
Math question: Find the equation of a quadratic function with vertex located at (-2, 4) and y-intercept at (0, -2).
+
New questions in Mathematics