Mental Math
4 x 5 =
What is 20?
Put the following equation into slope-intercept form. Simplify all fractions.
2x - 4y = 20
What is:
y = 1/2x - 5
(-4, 5)
Teacher Check
Solve the system by substitution:
y = -6x
y = -4x + 6
#9
x = -3 ; y = 18 OR (-3, 18)
Determine if the following systems of equations has no solution, infinite solutions or exactly one solution.
-x + y = 4
x - y = -3
#6
No Solution. 0 = 1
9 x 8
What is 72?
Put the following equation into slope-intercept form. Simplify all fractions.
3x + 4y = -36
What is:
y = -3/4x - 9?
(-7, 5)
Teacher Check
Solve the system by substitution:
y = 5x
y = 7x - 16
#10
x = 8
y = 40
(8, 40)
Plot the point:
(-3, -4)
Check board.
5 + 9 - 12 =
What is 2?
Put the following equation into slope-intercept form. Simplify all fractions.
4y - 24x = -4
What is:
y = 6x - 1
Graph the following systems and state the coordinates of the solution (point of equilibrium).
y = 3/4x + 8
y = -3/2x - 1
Teacher check graph (#14)
(-4, 5)
Solve the system by substitution:
x = 5y
-x - y = 18
#12
x = -15
y = -3
(-15, -3)
The value of the expression 4w + 7 when w=2?
What is 15?
(8 x 2) + 7
What is 23?
Put the following equation into slope-intercept form. Simplify all fractions.
9x + 3y = 18
What is:
y = -3x + 6
Graph the following systems and state the coordinates of the solution (point of equilibrium).
y = 3x - 7
y = -x + 1
Teacher Check (#13)
(2, 1)
Solve the system by substitution:
x = 7y
3x - y = -40
#11
x = -14
y = - 2
The value of the expression 17p - 12 when p=5.
What is 73?
24 x 6 =
What is 142?
Put the following equation into slope-intercept form. Simplify all fractions.
3x - y = 10
What is:
.
Graph the following systems and state the coordinates of the solution (point of equilibrium).
y = 3x - 7
4x - 3y = 24
Teacher Check (#15)
(3, -4)
Solve the system by substitution:
3x - y = 10
2x = y
x = 10
y = 20
Mr. Morton's favorite color.
What is GREEN?