Answer:
a) 23
Step-by-step explanation:
Answer:
1st option
Step-by-step explanation:
(x²+x-6)/(x-7)≤0
x≤-3
2≤x≤7
These are the solutions you'll find solving the inequation
Answered by GAUTHMATH
Answer:
7) D
8) A
9) A
10) D
11) C
12) B
Step-by-step explanation:
You use the quadratic formula:
2x {}^{2} - 3x = 5
2x {}^{2} - 3x - 5 = 0
x = \frac{3 + - \sqrt{9 -4(2)( - 5)}}{2 \times 2}
x = \frac{3 + - \sqrt{49} }{4}
x = \frac{3 + 7}{4} \: and \: x = \frac{3 - 7}{4}
x = \frac{5}{2} \: and \: x = - 1
