The point-slope formula:
We have (-2, 1) and (1, 7).
Substitute:
Answer:
The slope of the 1st equation is 3/4.The reason why I say this is due to the fact that in the slope-intercept form y=mx+b mx represents the slope.Moreover, the second equation has a slope of 7/3 because its mx value is 7/3 therefore implying that it is the slope for equation number 2.Hope that helped.I dream of being brainliest.
Step-by-step explanation:
Step-by-step explanation:
a. 3x²+10x+8 = (3x+4)(x+2)
b. 4x²+21x-18 = (4x-3)(x+6)
c. 3x²+8x+5 = (3x+5)(x+1)
d. 6x²+5x-4 = (2x-1)(3x+4)
e. 15x⁴-23x²+4 =(5x²-1)(3x²-4)
f. 15x⁴+23x²+4 =(5x²+1)(3x²+4)
g. 6x²-7x-3 = (2x-3)(3x +1)
h. 6x²-43x+72 = (3x-8)(2x-9)
Proving 2sin(sx)=4/tanx+cotx, we need to substitute tanx with sinx/cosx while substitute cotx with cosx/sinx. Then, succeeding solutions are shown below:
2sin2x=4/(sinx/cosx + cosx/sinx)
2sin2x=4/(sin²x + cos²x)/sinxcosx
And we know that sin²x+cos²x=1, we can used this in the next solution
2sin2x=4/(1/cosxsinx)
We also know that sin2x is equal to 2sinxcosx and we used this in the problem
2(2sinxcosx)=4cosxsinx
4sinxcosx=4sinxcos
Therefore, the give is correct and we proved that trigonometric function is equal.
