$\text{x-intercept is for y = 0}.\\\\\text{We have the function:}\ y=x^2-7x+12.\\\\\text{Put y = 0 and calculate the value(s) of x.}\\\\x^2-7x+12=0\\\\x^2-3x-4x+12=0\\\\x(x-3)-4(x-3)=0\\\\(x-3)(x-4)=0\iff x-3=0\ \vee\ x-4=0\\\\x-3=0\qquad\text{add 3 to both sides}\\\boxed{x=3}\\\\x-4=0\qquad\text{add 4 to both sides}\\\boxed{x=4}$

6 0

3 years ago

Factoring algebraic expression 3 - 24t

chubhunter [2.5K]

Ab-ab=a(b+c)

a=greatest common factor

facotr them

3=3*1
24t=2*2*2*3*t
greatest common facotr is 3
a=3
3(1)-3(8t)=3(1-8t)

7 0

4 years ago

Josefina is buying 10 pounds of salmon which costs $6.78 per pound. how much wil the salmon cost

Liono4ka [1.6K]

$6.78/pound*10pounds=$67.80

4 0

3 years ago

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