The Domains Are 3,3,7,8. You Can Remember This By Remembering That The Domain Is All X Factors And Range Is All Y Factors
Answer:
99
Step-by-step explanation:
5x^2 -4x -9
5(-2)^2 -4(-2) -9
-10^2 +8 -9
100-1
99
Answer:
85
Step-by-step explanation:
<em>The equation for the discriminant is </em>
b^2-4(a)(c)
<em>Plug your numbers in from the equation. </em>
<em>1=a, -7=b, -9=c</em>
<em />
(-7)^2-4(1)(-9)
49-(-36)
49+36
85
Answer:
Step-by-step explanation:
To find the additive inverse of polynomial expression, flip the sign of each term.
6x² ----> -6x²
-x -----> +x
-2 -----> +2
Additive inverse:
-6x² + x + 2
Answer:
Each block weighs 2.2 lbs
Step-by-step explanation:
I calculated the unit rate by dividing 11 by 5, and got 2.2. To prove this is right, I multiplied 2.2 by 5 and got 11, which means this is correct.
