unit 1
Solve the inequality for q. -9q+3(-8q-4)≤-8q+8+8
q≥−28/25
Put the following equation of a line into slope-intercept form.
8x+6y=24
y=-4/3x+4
Solve the system of equations 9x+6y=18 and −x−y=−5 by combining the equations.
(−4,9)
multiply:(x+2)(x+4)=x(x+4)+2(x+4)
x2+6x+8
Solve for all values of x by factoring.
x2-4x=0
x=0 x=-4
solve for x
5x+1=-6+6(-4/3x-10/3)
x=-27/13
Put the following equation of a line into slope-intercept form.
15x−9y=18
y=5/3x-2
Solve the system of equations−x−2y=3 and 3x+9y=0 by combining the equations.
(−9,3)
multiply:(3x-7)(5x+6)
15x2-17x-42
Solve for all values of x by factoring.
x2+10x+27=-2x
x=-3 x=-9
identify the property that justifies each step.
line 1:(-9x+8)+7x
line 2:(8+(−9x))+7x
line 3:8+(−9x+7x)
line 4:8+(−2x)
line 1 to line 2:commutive property of addition
line 3 to line 4:associative property of addition
Put the following equation of a line into slope-intercept form
4x+4y=−28
y=−x−7
Solve the system of equations 3x+y=−5 and 3x+2y=5 by combining the equations.
(−5,10)
multipy:(4x2 – 9)(8x2 + 3)
32x4-60x2-27
Solve for all values of x by factoring.
x2+5x-16=5x
x=-4 x=4
Arianna is ordering a taxi from an online taxi service. The taxi charges $3.50 just for the pickup and then an additional $1 per mile driven. How much would a taxi ride cost if Arianna is riding for 4 miles? How much would a taxi ride cost that is m miles long?
3.50+m 0r m+3.50
Put the following equation of a line into slope-intercept form
3y−9x=27
y=3x+9
Solve the system by substitution.
6x+9y=48
(−1,6)
Multiply: (6x – 7y)(4x – 3y)
24x2-46xy+21y2
Solve the following quadratic equation for all values of x in simplest form.
5(4x−1)2=10
x=1±√2/4
solve for x
−2(x−1)+3x−1=−3
x=-4
Put the following equation of a line into slope-intercept form
6x+3y= -3
y=−2x−1
Solve the system by substitution.
4x+3y=47
(−4,21)
Multiply: (8x – 5)(4x – 7)
32x2-76x+35
Solve the following quadratic equation for all values of x in simplest form.
5(3x+6)2+20=50
x=−6±√6/3