$f\left(x\right)=x^3+2x^2-7x+a\\\\x-2=0\quad\rightarrow \quad x=2\\\\f(2)=2^3+2\cdot \:2^2-7\cdot \:2+a\\\\4=2^3+2\cdot 2^2-7\cdot 2+a\\\\\Rightarrow a=2$

Best Regards!

6 0

3 years ago

The equation of a and 8 number

Lynna [10]

Answer:

Step-by-step explanation:

This is because the expression is already in decimal form

8 0

3 years ago

Can y’all help me me on question 2?! Have a good day!

AfilCa [17]

Answer:

Step-by-step explanation:

The formula to get the area of a triangle is A= $\frac{(b)(h)}{2}$ so all you have to do is work backwards. 18x2=36. 36/4=9.

6 0

3 years ago

A circle with center at (0,0) passes through (-8,0. Find the circumference and area of the circle in terms of p.

klemol [59]

Jdkjejejdjejbfjfbfjfbfjfbfkdbfjfbdkdnfbd

3 0

3 years ago