Answer:
put x=1/2, you will get, r(1/2)=20*1/2-89
=10-89= -70.
hope it will help.
A number model<span> in math is a sentence that illustrates how the parts of a </span>number<span> story are related. The equation may include addition, subtraction, division and multiplication and may be expressed as words or in </span>number<span> form.
</span>
Answer:
G
Step-by-step explanation:
sqrt of 36 is 6, sqrt of 49 is 7
Answer:
−x2+2x−1=0
Step-by-step explanation:
To write an equation in standard form, move each term to the left side of the equation and simplify.
ax2+bx+c=0
Move 1
to the left side of the equation by subtracting it from both sides.
2x−x2−1=0
Reorder the polynomial.
−x2+2x−1=0
Answer:
-3, 2
Step-by-step explanation: