Equations
Find the value of x in the equation 5 (x - 2) = 3x + 10
x = 10
How many solutions does the equation have?
4x + 7 = 4x + 7
Infinite solutions
A store sells 3 notebooks for $6. What is the constant of proportionality
2 dollars per notebook
In the equation y = 3x +5. What is the y-intercept?
5
Find the value of x in the equation 4x + 7 = 2x + 17
x = 5
How many solutions does the equation have?
3(x - 2) = 3 x + 5
No solution
In the equation y = 3/5x, what is the slope?
3/5
The equation y = -2x + 4. What is the slope?
-2
Find the value of x in the equation 2(x + 4) +3x = 5x - 6
x = 14
How many solutions does the equation have?
5x - 8 = 2x + 13
one solution
A proportional relationship passes through the point (8,56). Write the equation in the form y = mx
y = 7x
A line has a slope of 5 and a y-intercept of -2. Write the equation of the line.
y=5x - 2
3/4 (x + 8) - 2 = 1/2 (x - 4) +7
x = 16
How many solutions does the equation have?
4(x+3) - 2x = 2(x+6)
Infinite solutions
A proportional relationship passes through (12,-18). Write the equation in the form y = mx
y = -1.5x
y = 3x + 8
- 1/2 (x + 4) +3 = 1/4x - 6
x = 20/3
How many solutions does the equation have?
6(x - 2) + 4 = 3(2x+1) - 5
no solution
The equation is:
y = 7/4x
If y = 49, what is x?
28
A gym charges a $25 sign-up fee plus $15 per month. Write an equation that represents the total cost y after x months.
y = 15x + 25