Solving Equation
Systems of Equations
Mixed Review
100
What is X in the equation: -3(x+2) = 12
x = -6
100
Is ( 4, 3 ) the solution to the system of equations:
X + Y = 7
2x + 3y = 14
No. It works for the first equation, but not the second equation.
100
What is
8.317 x 10^6
in standard form?
8,317,000
200
What is the solution for y in the equation:
5y + 8 - 9y = -8
y = 4
200
What is the solution to this system of equations?
(1, 3)
200
What is the slope of the line?
1 / 2 or 0.5
300
What is the solution to the equation:
6r - 18 = 4r +12
r = 15
300
What is the solution to the system of equations:
8x + 4y = 6
y = -2x + 3
(Hint:use the substitution method)
No Solution
300
Is the relation a function? Explain.
No, because the input x-value 11 has two output y-values paired with it.
400
What is the solution for m in the equation:
8m - 4(m+1) = 6
m = 2.5
400
What is the solution to this system of equations:
-4x-2y=-12
4x+8y=-24
(Hint-use the Elimination Method)
(6 , -6)
400
What is the slope of the line between these two points:
m = - 7
500
What is the solution to the equation:
-7k + 9 = k + 9 - 8k
infinitely many solutions
500
What is the solution to the system of equations?
Infinitely Many
500
What is the rate of change of the table?
- 20 / 10 or -2 when simplified