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
4.6108 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)
Question: What is the value of 2 to the power of 5 multiplied by the square root of 9?
+
Find a cubic equation whose roots are 2, -1, and 5.
+
Math question: Find the value of f(x) = x when x = 5.
+
New questions in Mathematics