Solve 6x-7y=21 and 3x+7y=6 using the elimination method.
(3,-3/7)
Evaluate the expression if A=-1 B=4 and C=6
4a+9b-2c
20
What is the slope of the line that passes through (4,10) and (2,10)
0
Factor
15n2 - n - 28
(5n-7) (3n+4)
What is the formula for a linear equation?
y=mx+b
Solve x-2y=-3 and y=3x-1 using the substitution menu.
What is the verbal expression for the algebraic expression
2a+6
two times a number plus 6
What is the slope of the line that passes through (-4,0) (0,3)
3/4
Is equation prime
100b3-36b
No
What is the formula for standard form?
ax+by=c
1
What is the numerical expression for the verbal expression
The sum of four and nine times three
(4+9)3
Write a artimetic sequence for the numbers
(1,3) (2,6) (3,9) (4,12)
Factor
9n2-30n-25
The equation is prime
What is the point-slope formula?
y-y1=m(x-x1)
What are the coordinates of the solution of this system of equations
Y=2x+2
Y=-4x+2
(0,2)
Evaluate if m=-4 n=1 p=2
l -n - 2mp l15
Describe the graph g(x)= lxl + 5 to the parent function f(x)=lxl
shifted 5 units up
factor
3p2-147
3(p+7)(p-7)
16a^21
Lucia makes hats and scarves. the table shows the time and cost of the materials to make each. She wants to spend no more than 60 hours and $20 making hats and scarves
Table: Hat Scarf
Time to make Hr 3 4
Cost to make 1 4
Does Lucia have the time and money to make 12 hats and 4 scarves
Evaluate
2 x 8^2-2^2 x 8 Divided by 2 x 8
6
A buys 100 pencils to keep in her classroom at the beginning of the school year She allows the students to borrow pencils, but they are not always returned. On average, she loses about 8 pencils a month. Write an equation in slope-intercept form that represents the number of pencils she has left (y) after a number of months (x)
y=-8x+100
Find the product of (2x+7)(x-5)
2x2-3x-35
What is the quadratic formula?