Solve for x in the quadratic equation. 2x2 + 12x + 10 = 0
x = -5, -1
x = -5,1
x = -3, -2
x = 3, 2
x = 6, 5
Correct answer is A
No explanation has been provided for this answer.
Find the Iength of a diagonal of a square whose area is 288cm2.
24cm
48cm
95cm
100cm
124cm
Correct answer is A
No explanation has been provided for this answer.
1.8m
3.5m
8.4m
11.9m
17.3m
Correct answer is B
No explanation has been provided for this answer.
Find the value of 2a - b if a + b = 8 and 4a - b = 22
2
4
6
8
10
Correct answer is E
No explanation has been provided for this answer.
What is the positive difference between the squares of 2.5 and 2.1 to 1 significant figures?
– 2.0
– 184
-1.84
2
18.4
Correct answer is D
No explanation has been provided for this answer.