Multi-Step Problems
How many solutions: 2x+6=2x+6
2^3 x 2^5
2^8
*Do not combine the bases, just add the exponents
x^2 = 81
x= + or -9
( must have BOTH answers )
Find the slope passing through (1,7) and (2,14)
7
How many solutions: 5x+4= 5x+7
No solution
3^9/3^3
3^6
subtract the exponents, keep the base
x^3=27
x=3
*Can only be 3, not -3
In y=mx+b, what letter represents slope?
How many solutions: 5x+4=2x-3
One solution
(4^5)^3
4^15
*Multiply the bases
find the square root: 25/36
+5/6 or -5/6
(must show both)
In y=mx+b, what letter is the y-intercept?
b
Solve for x. 2x+8=4x-2
x=5
(x)(x)(x)(x)
x^4
Find the cube root: x^3= -64
x=-4
*-4 only, not 4
Find the slope of the line passing through (0,3) and (4,0)
-3/4
Solve for x:
2(x+10) = 4 (2x - 1)
x=4
x^4/ x ^2
x^2
x^2=4
x=2, -2
*Must have BOTH
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