Answer:
c,d
Step-by-step explanation:
factorise it
x + 4 = 0 ⇒ x1 = −4
x − 2 = 0 ⇒ x2 = 2
Answer:
y = - 5x² - 10x + 2
Step-by-step explanation:
y = - 5(x + 1)² + 7 ← expand (x + 1)² using FOIL
= - 5(x² + 2x + 1) + 7 ← distribute parenthesis by - 5
= - 5x² - 10x - 5 + 7 ← collect like terms
= -5x² - 10x + 2 ← in standard form
Answer:
8.75
Step-by-step explanation:
3.5(2.5)
<span>(2+6t)(2+6t)(2+6t)(2+6t)(2+6t)(2)=</span><span>15556T^5
</span><span>(2+4t)(2+4t)(2+4t)(2+4t)(2+4t)(2)=</span>2052t^5
True, because y=mx+b is the formula for slopes (usually linear)