What part of the equation is the coefficient?
2x - 3
2
Solve for x.
-3x - 7 = 5
Ren purchases apples at the grocery store. The apples are $3 per pound, and then a one-time payment of $2 for tax. Write an equation that represents the cost of apples.
cost = 3x + 2
Solve the inequality for x.
-3x - 2 < 7
x > -3
Solve for a.
ab + c = d
What type of compound inequality is this?
-3 > x > -2
AND
-1/2x = 2
x = -4
A farmer is growing tomatoes in a field. He is able to fit 25 tomato crops per acre, plus an additional 3 tomatoes in his front yard. Write an equation to represent the number of tomatoes he can grow.
Write an inequality for the following number line:
x >= -3
Solve for h.
h(a+b) - 2 = d
(d+2)/(a+b)
Name the terms of this expression:
-3x2 - 2x - 7
-3x2, -2x, -7
-4/3x - 3 = -9
x = 4.5
The price of apples has increased. Michael paid $22 total for 5 apples. If the tax was $2, how much did Michael pay per apple?
$4
Draw a number line for the inequality -4 < x <= -2
Draw on board.
Solve for t.
s/t = r/q
t = sr/q
When we see a less than or equal to sign, it ______ colored in on the number line and goes ________.
is; left
-1/2x - 1/2 = 3/2
x = -2
A young sumo wrestler decided to go on a special high-protein diet to gain weight rapidly and at a constant rate. After gaining x pounds for 8 months, he weighed 138 kilograms. He started at 90 kilograms. Write an equation to represent his weight gain.
y = 8x + 90
Solve the compound inequality:
-1 <= 1/4x + 1 <= 2
-4 <= x <= 4
Solve for b.
a2 + b2 = c2
b = sqrt(c2 - a2)
When talking about inequalities, what is the difference between AND vs. OR?
AND means both expressions of the inequality are true, but OR means only one must be true.
-7/3x - 14/3x = 7
x = -1
An emergency plumber charges $65 as a call-out fee plus an additional $75 per hour. He arrives at a house at 9:30 and works to repair a water tank. If the total repair bill is $196.25, at what time was the repair completed?
11:15
Solve the compound inequality:
-2/3x + 1 > 3 OR 6x - 1 > 2
x < -3 OR x > 18
Solve for c.
(-c/15) - k = b
c = -15(b+k)