Answer:
Length: 9
Width: 2
Step-by-step explanation:
Area = length × width
18 = (x - 5)(x + 2)
18 = x² - 5x + 2x - 10
x² - 3x - 28 = 0
x² - 7x + 4x - 28 = 0
x(x - 7) + 4(x - 7) = 0
(x - 7)(x + 4) = 0
x = 7, -4(not possible)
Length: 7+2 = 9
Width: 7-5 = 2
Answer:
D is the correct answer.
Step-by-step explanation:
Find the portion of the graph that is above the x-axis.
The answer is <span>b. y=3x^2-5x+9
</span><span>
The general formula for quadratic function is:
y = ax</span>² + bx + c
Among all choices only b. is correct:
y = ax² + bx + c
y = 3x² - 5x + 9
Answer:
Step By Step Explanation:
Apply Rule - (-a) = a
Multiply: 4 · 6 = 24
Expand 
= 
Simplify
= 
━ Mordancy ━
Answer: 1.032
1.29/1.25 = 1.032
