7 < x < 52
-5 < 7 < x
-7 < x < 5
-7 < x < 52
Correct answer is D
y = 2x2 + 9x - 35
2x2 + 9x = 35
x2 + 92 = 352
x2 + 92 + 8116 = 352 = 8116
(x + 94)2 = 36116
x = −94 + √36116
x = −94 + 194
= 2.5 or -7
-7 < x < 52
Calculate the volume of a cuboid of length 0.76cm, breadth 2.6cm and height 0.82cm. ...
Which of the following is true about parallelogram? ...
\(\begin{array}{c|c} \text{Age in years} & 13 & 14 & 15 & 16 & 17 \\ \hline \tex...
Calculate the standard deviation of the following data: 7, 8, 9, 10, 11, 12, 13. ...
If f(x)=2x2−5x+3, find f(x + 1)....
Using the cumulative frequency curve, estimate the median of the data represented on the graph. ...