Answer:
Step-by-step explanation:
Given the quadratic equation,
2x²-7x−15
To get the solution to the equation, we need to factorise as shown:
x = -b±√b²-4ac/2a
a = 2, b = -7, c = -15
x = -(-7)±√(-7)²+4(2)(-15)/2(2)
x = 7±√49+120/4
x = 7±√169/4
x = 7±13/4
x = 7+13/4 or 7-13/4
x = 20/4 or -6/4
x = 5 or -3/2
It can be described that the final answer to the system of equation are 5 and -3/2 which are both an integer and a fraction
Answer:
2.1 * 10 to the -3
Step-by-step explanation:
0.0021* 10000/10000
21/10000
2.1/1000
2.1/10 to the 3
2.1*10 to the -3
Y = 3. y=-2 and y=3 have the same slope, so they are parallel. y=3 also passes through the point (8,3).
Answer:
4/12+5/12
=9/12
=3/4
Hope it helps
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