Answer:
4
Step-by-step explanation:
Answer: 2 rational solutions
Step-by-step explanation:
When the discriminant, b² + 2a, is greater than 0, there are two real solutions. 49 is the perfect square of 7, so the solutions are also rational: plus and minus 7
Answer:
Step-by-step explanation:

<span><span>1, </span><span>2, </span><span>3, </span><span>4, </span><span>5, </span><span>6, </span><span>10, </span><span>12, </span><span>15, </span><span>20, </span><span>30, </span><span>60<span>.
aka 60 =
1x60
2x30
3x20
4x15
5x12
6x10
</span></span></span>