Alg: 3-7 Standard Form

Alg: 3-7 Standard Form

A.2b I can WRITE linear equations in two variables in Standard Form (Ax+By=C)

Multiple Choice

Review Question: Simplify the following expression.

 $3x^2-5y+12x^2-5xy$  

•  $15x^2-10xy^2$  

•  $15x^2-10xy$  

•  $15x^2-5y-5xy$  

Multiple Choice

Which of the following is the correct way to write a line in point-slope form that goes through (-2,5) and (10,-5)?

• $y-5=-\frac{5}{6}\left(x+2\right)$

• $y-5=\frac{5}{6}\left(x-2\right)$

• $y+5=-\frac{5}{6}\left(x-2\right)$

• $y+2=-\frac{5}{6}\left(x+10\right)$

Multiple Select

Which of the following are in proper STANDARD FORM of a linear equation? (Choose all that apply)

• 3x+4y=13

• y-3=-6(x-8)

• 2x+5y=20

• -5x+6y=25

• y=-5x+25

Multiple Choice

Which of the following is the equation 7x+5y = 35 written in slope-intercept form?

• $y=\frac{7}{5}x+7$

• $y=-\frac{7}{5}x+7$

• $5y=-7x+35$

• $y-7=-\frac{7}{5}\left(x-0\right)$

Multiple Choice

is the ordered pair (0,8) an x-intercept or a y-intercept?

• y-intercept

• x-intercept

Multiple Choice

Hans paid to enter a fair where he could ride various rides. The situation can be represented using the equation 5x-2y=-30, where x is the number of rides and y is the total cost. According to this equation, how much did each ride cost? (Hint: it is the slope)

• $2.50

• $15.00

• $5.00

• $30

Multiple Choice

Which of the following represents the equation of the graphed line? (Hint: Solve for your intercepts)

• 3x + 2y = -12

• 2x + 3y = -12

• 2x + 3y = -19

• x + 2y = -4

Poll

I can write a linear equation in Standard Form if I am given the x- and y-intercepts.

• Yes, it is easy!

• I think I can, but want to practice more

• Help!