Answer:
b
Step-by-step explanation:
Answer:
B- A square because it has 4 sides that are the same length.
Explain:
I misread earlier, but a rhombus is defined as a quadrilateral with four equal-legnth sides and opposite sides parallel to each other. All squares have all of these properties.
Answer:
y = - 2x² - 2x + 40
Step-by-step explanation:
Standard form of a quadratic is y = ax² + bx + c : a ≠ 0
Given
y = - 2(x + 5)(x - 4) ← expand factors using FOIL
= - 2(x² - 4x + 5x - 20)
= - 2(x² + x - 20) ← distribute parenthesis by - 2
= - 2x² - 2x + 40 ← in standard form
Answer:
15.7
Step-by-step explanation:
3.14(5)
