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 product of (2^3 * 7^2) raised to the power of (4^2 - 3^2)?
+
What is the slope of a line passing through points (3, 5) and (-2, 8)?
+
Solve for x: 3x + 5 = 20
+
New questions in Mathematics